Home / 2,124,551.31-3,186,822.98-665,709.42

Finding the Fourth Proportional to 2,124,551.31, 3,186,822.98 and 665,709.42

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Solution

The fourth proportional to 2,124,551.31, 3,186,822.98 and 665,709.42 is: 998,562.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,124,551.31 : 3,186,822.98 = 665,709.42 : x
  2. Step 2: Convert to fraction form
    2,124,551.31/3,186,822.98 = 665,709.42/x
  3. Step 3: Cross multiply
    2,124,551.31x = 3,186,822.98 × 665,709.42
  4. Step 4: Simplify right side
    2,124,551.31x = 2,121,498,077,658.47
  5. Step 5: Solve for x
    x = 2,121,498,077,658.47/2,124,551.31
  6. Step 6: Final answer
    x = 998,562.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.