Home / 3,171,787.28-4,377,070.55-1,721,482.55

Finding the Fourth Proportional to 3,171,787.28, 4,377,070.55 and 1,721,482.55

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Solution

The fourth proportional to 3,171,787.28, 4,377,070.55 and 1,721,482.55 is: 2,375,648.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171,787.28 : 4,377,070.55 = 1,721,482.55 : x
  2. Step 2: Convert to fraction form
    3,171,787.28/4,377,070.55 = 1,721,482.55/x
  3. Step 3: Cross multiply
    3,171,787.28x = 4,377,070.55 × 1,721,482.55
  4. Step 4: Simplify right side
    3,171,787.28x = 7,535,050,563,336.49
  5. Step 5: Solve for x
    x = 7,535,050,563,336.49/3,171,787.28
  6. Step 6: Final answer
    x = 2,375,648.14

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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.