Home / 3,171,787.53-4,377,070.89-1,721,482.80

Finding the Fourth Proportional to 3,171,787.53, 4,377,070.89 and 1,721,482.80

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Solution

The fourth proportional to 3,171,787.53, 4,377,070.89 and 1,721,482.80 is: 2,375,648.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171,787.53 : 4,377,070.89 = 1,721,482.80 : x
  2. Step 2: Convert to fraction form
    3,171,787.53/4,377,070.89 = 1,721,482.80/x
  3. Step 3: Cross multiply
    3,171,787.53x = 4,377,070.89 × 1,721,482.80
  4. Step 4: Simplify right side
    3,171,787.53x = 7,535,052,251,515.69
  5. Step 5: Solve for x
    x = 7,535,052,251,515.69/3,171,787.53
  6. Step 6: Final answer
    x = 2,375,648.49

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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.