Home / 3,187,707.79-4,399,128.95-1,737,497.16

Finding the Fourth Proportional to 3,187,707.79, 4,399,128.95 and 1,737,497.16

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Solution

The fourth proportional to 3,187,707.79, 4,399,128.95 and 1,737,497.16 is: 2,397,796.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,187,707.79 : 4,399,128.95 = 1,737,497.16 : x
  2. Step 2: Convert to fraction form
    3,187,707.79/4,399,128.95 = 1,737,497.16/x
  3. Step 3: Cross multiply
    3,187,707.79x = 4,399,128.95 × 1,737,497.16
  4. Step 4: Simplify right side
    3,187,707.79x = 7,643,474,057,098.78
  5. Step 5: Solve for x
    x = 7,643,474,057,098.78/3,187,707.79
  6. Step 6: Final answer
    x = 2,397,796.34

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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.