Home / 3,171,913.66-4,377,185.92-1,721,577.95

Finding the Fourth Proportional to 3,171,913.66, 4,377,185.92 and 1,721,577.95

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Solution

The fourth proportional to 3,171,913.66, 4,377,185.92 and 1,721,577.95 is: 2,375,747.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171,913.66 : 4,377,185.92 = 1,721,577.95 : x
  2. Step 2: Convert to fraction form
    3,171,913.66/4,377,185.92 = 1,721,577.95/x
  3. Step 3: Cross multiply
    3,171,913.66x = 4,377,185.92 × 1,721,577.95
  4. Step 4: Simplify right side
    3,171,913.66x = 7,535,666,762,922.46
  5. Step 5: Solve for x
    x = 7,535,666,762,922.46/3,171,913.66
  6. Step 6: Final answer
    x = 2,375,747.76

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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.