Home / 3,172,364.80-4,377,869.02-1,722,061.24

Finding the Fourth Proportional to 3,172,364.80, 4,377,869.02 and 1,722,061.24

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Solution

The fourth proportional to 3,172,364.80, 4,377,869.02 and 1,722,061.24 is: 2,376,447.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,172,364.80 : 4,377,869.02 = 1,722,061.24 : x
  2. Step 2: Convert to fraction form
    3,172,364.80/4,377,869.02 = 1,722,061.24/x
  3. Step 3: Cross multiply
    3,172,364.80x = 4,377,869.02 × 1,722,061.24
  4. Step 4: Simplify right side
    3,172,364.80x = 7,538,958,553,138.78
  5. Step 5: Solve for x
    x = 7,538,958,553,138.78/3,172,364.80
  6. Step 6: Final answer
    x = 2,376,447.55

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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.