Home / 1,872,387.12-2,583,891.92-1,012,944.72

Finding the Fourth Proportional to 1,872,387.12, 2,583,891.92 and 1,012,944.72

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Solution

The fourth proportional to 1,872,387.12, 2,583,891.92 and 1,012,944.72 is: 1,397,862.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,872,387.12 : 2,583,891.92 = 1,012,944.72 : x
  2. Step 2: Convert to fraction form
    1,872,387.12/2,583,891.92 = 1,012,944.72/x
  3. Step 3: Cross multiply
    1,872,387.12x = 2,583,891.92 × 1,012,944.72
  4. Step 4: Simplify right side
    1,872,387.12x = 2,617,339,677,414.66
  5. Step 5: Solve for x
    x = 2,617,339,677,414.66/1,872,387.12
  6. Step 6: Final answer
    x = 1,397,862.47

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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.