Home / 3,449,259.40-5,173,889.10-3,189,443.80

Finding the Fourth Proportional to 3,449,259.40, 5,173,889.10 and 3,189,443.80

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Solution

The fourth proportional to 3,449,259.40, 5,173,889.10 and 3,189,443.80 is: 4,784,165.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,449,259.40 : 5,173,889.10 = 3,189,443.80 : x
  2. Step 2: Convert to fraction form
    3,449,259.40/5,173,889.10 = 3,189,443.80/x
  3. Step 3: Cross multiply
    3,449,259.40x = 5,173,889.10 × 3,189,443.80
  4. Step 4: Simplify right side
    3,449,259.40x = 16,501,828,511,882.58
  5. Step 5: Solve for x
    x = 16,501,828,511,882.58/3,449,259.40
  6. Step 6: Final answer
    x = 4,784,165.70

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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.