Home / 3,171,966.96-4,377,197.04-1,721,631.12

Finding the Fourth Proportional to 3,171,966.96, 4,377,197.04 and 1,721,631.12

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Solution

The fourth proportional to 3,171,966.96, 4,377,197.04 and 1,721,631.12 is: 2,375,787.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171,966.96 : 4,377,197.04 = 1,721,631.12 : x
  2. Step 2: Convert to fraction form
    3,171,966.96/4,377,197.04 = 1,721,631.12/x
  3. Step 3: Cross multiply
    3,171,966.96x = 4,377,197.04 × 1,721,631.12
  4. Step 4: Simplify right side
    3,171,966.96x = 7,535,918,642,435.89
  5. Step 5: Solve for x
    x = 7,535,918,642,435.89/3,171,966.96
  6. Step 6: Final answer
    x = 2,375,787.24

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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.