Home / 2,145,939.12-2,960,663.55-1,329,845.04

Finding the Fourth Proportional to 2,145,939.12, 2,960,663.55 and 1,329,845.04

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Solution

The fourth proportional to 2,145,939.12, 2,960,663.55 and 1,329,845.04 is: 1,834,732.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,145,939.12 : 2,960,663.55 = 1,329,845.04 : x
  2. Step 2: Convert to fraction form
    2,145,939.12/2,960,663.55 = 1,329,845.04/x
  3. Step 3: Cross multiply
    2,145,939.12x = 2,960,663.55 × 1,329,845.04
  4. Step 4: Simplify right side
    2,145,939.12x = 3,937,223,737,076.29
  5. Step 5: Solve for x
    x = 3,937,223,737,076.29/2,145,939.12
  6. Step 6: Final answer
    x = 1,834,732.26

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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.