Home / 3,670,406.10-5,505,609.15-3,386,970.90

Finding the Fourth Proportional to 3,670,406.10, 5,505,609.15 and 3,386,970.90

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Solution

The fourth proportional to 3,670,406.10, 5,505,609.15 and 3,386,970.90 is: 5,080,456.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,670,406.10 : 5,505,609.15 = 3,386,970.90 : x
  2. Step 2: Convert to fraction form
    3,670,406.10/5,505,609.15 = 3,386,970.90/x
  3. Step 3: Cross multiply
    3,670,406.10x = 5,505,609.15 × 3,386,970.90
  4. Step 4: Simplify right side
    3,670,406.10x = 18,647,337,977,823.73
  5. Step 5: Solve for x
    x = 18,647,337,977,823.73/3,670,406.10
  6. Step 6: Final answer
    x = 5,080,456.35

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.