Home / 5,123,286.80-7,684,930.20-1,577,430.80

Finding the Fourth Proportional to 5,123,286.80, 7,684,930.20 and 1,577,430.80

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Solution

The fourth proportional to 5,123,286.80, 7,684,930.20 and 1,577,430.80 is: 2,366,146.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,123,286.80 : 7,684,930.20 = 1,577,430.80 : x
  2. Step 2: Convert to fraction form
    5,123,286.80/7,684,930.20 = 1,577,430.80/x
  3. Step 3: Cross multiply
    5,123,286.80x = 7,684,930.20 × 1,577,430.80
  4. Step 4: Simplify right side
    5,123,286.80x = 12,122,445,593,330.16
  5. Step 5: Solve for x
    x = 12,122,445,593,330.16/5,123,286.80
  6. Step 6: Final answer
    x = 2,366,146.20

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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.