Home / 3,899,854.29-5,381,780.53-2,180,981.64

Finding the Fourth Proportional to 3,899,854.29, 5,381,780.53 and 2,180,981.64

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Solution

The fourth proportional to 3,899,854.29, 5,381,780.53 and 2,180,981.64 is: 3,009,744.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,899,854.29 : 5,381,780.53 = 2,180,981.64 : x
  2. Step 2: Convert to fraction form
    3,899,854.29/5,381,780.53 = 2,180,981.64/x
  3. Step 3: Cross multiply
    3,899,854.29x = 5,381,780.53 × 2,180,981.64
  4. Step 4: Simplify right side
    3,899,854.29x = 11,737,564,526,439.47
  5. Step 5: Solve for x
    x = 11,737,564,526,439.47/3,899,854.29
  6. Step 6: Final answer
    x = 3,009,744.38

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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.