Home / 5,140,478.60-7,708,385.10-1,944,542.60

Finding the Fourth Proportional to 5,140,478.60, 7,708,385.10 and 1,944,542.60

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Solution

The fourth proportional to 5,140,478.60, 7,708,385.10 and 1,944,542.60 is: 2,915,931.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,140,478.60 : 7,708,385.10 = 1,944,542.60 : x
  2. Step 2: Convert to fraction form
    5,140,478.60/7,708,385.10 = 1,944,542.60/x
  3. Step 3: Cross multiply
    5,140,478.60x = 7,708,385.10 × 1,944,542.60
  4. Step 4: Simplify right side
    5,140,478.60x = 14,989,283,204,155.26
  5. Step 5: Solve for x
    x = 14,989,283,204,155.26/5,140,478.60
  6. Step 6: Final answer
    x = 2,915,931.45

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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.