Home / 6,688,287.46-9,229,854.54-3,935,078.56

Finding the Fourth Proportional to 6,688,287.46, 9,229,854.54 and 3,935,078.56

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Solution

The fourth proportional to 6,688,287.46, 9,229,854.54 and 3,935,078.56 is: 5,430,418.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,688,287.46 : 9,229,854.54 = 3,935,078.56 : x
  2. Step 2: Convert to fraction form
    6,688,287.46/9,229,854.54 = 3,935,078.56/x
  3. Step 3: Cross multiply
    6,688,287.46x = 9,229,854.54 × 3,935,078.56
  4. Step 4: Simplify right side
    6,688,287.46x = 36,320,202,712,272.66
  5. Step 5: Solve for x
    x = 36,320,202,712,272.66/6,688,287.46
  6. Step 6: Final answer
    x = 5,430,418.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.