Home / 3,172,101.40-4,377,382.86-1,721,766.16

Finding the Fourth Proportional to 3,172,101.40, 4,377,382.86 and 1,721,766.16

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Solution

The fourth proportional to 3,172,101.40, 4,377,382.86 and 1,721,766.16 is: 2,375,973.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,172,101.40 : 4,377,382.86 = 1,721,766.16 : x
  2. Step 2: Convert to fraction form
    3,172,101.40/4,377,382.86 = 1,721,766.16/x
  3. Step 3: Cross multiply
    3,172,101.40x = 4,377,382.86 × 1,721,766.16
  4. Step 4: Simplify right side
    3,172,101.40x = 7,536,829,677,712.02
  5. Step 5: Solve for x
    x = 7,536,829,677,712.02/3,172,101.40
  6. Step 6: Final answer
    x = 2,375,973.76

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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.