Home / 3,146,155.80-4,342,028.13-1,923,177.18

Finding the Fourth Proportional to 3,146,155.80, 4,342,028.13 and 1,923,177.18

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Solution

The fourth proportional to 3,146,155.80, 4,342,028.13 and 1,923,177.18 is: 2,654,188.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,146,155.80 : 4,342,028.13 = 1,923,177.18 : x
  2. Step 2: Convert to fraction form
    3,146,155.80/4,342,028.13 = 1,923,177.18/x
  3. Step 3: Cross multiply
    3,146,155.80x = 4,342,028.13 × 1,923,177.18
  4. Step 4: Simplify right side
    3,146,155.80x = 8,350,489,414,534.07
  5. Step 5: Solve for x
    x = 8,350,489,414,534.07/3,146,155.80
  6. Step 6: Final answer
    x = 2,654,188.14

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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.