Home / 3,720,853.80-5,581,280.70-2,650,098.60

Finding the Fourth Proportional to 3,720,853.80, 5,581,280.70 and 2,650,098.60

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Solution

The fourth proportional to 3,720,853.80, 5,581,280.70 and 2,650,098.60 is: 3,975,147.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,720,853.80 : 5,581,280.70 = 2,650,098.60 : x
  2. Step 2: Convert to fraction form
    3,720,853.80/5,581,280.70 = 2,650,098.60/x
  3. Step 3: Cross multiply
    3,720,853.80x = 5,581,280.70 × 2,650,098.60
  4. Step 4: Simplify right side
    3,720,853.80x = 14,790,944,169,277.02
  5. Step 5: Solve for x
    x = 14,790,944,169,277.02/3,720,853.80
  6. Step 6: Final answer
    x = 3,975,147.90

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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.