Home / 3,670,257.90-5,505,386.85-3,138,816.90

Finding the Fourth Proportional to 3,670,257.90, 5,505,386.85 and 3,138,816.90

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Solution

The fourth proportional to 3,670,257.90, 5,505,386.85 and 3,138,816.90 is: 4,708,225.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,670,257.90 : 5,505,386.85 = 3,138,816.90 : x
  2. Step 2: Convert to fraction form
    3,670,257.90/5,505,386.85 = 3,138,816.90/x
  3. Step 3: Cross multiply
    3,670,257.90x = 5,505,386.85 × 3,138,816.90
  4. Step 4: Simplify right side
    3,670,257.90x = 17,280,401,285,817.76
  5. Step 5: Solve for x
    x = 17,280,401,285,817.76/3,670,257.90
  6. Step 6: Final answer
    x = 4,708,225.35

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Double scale
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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.