Home / 1,986,279.21-2,979,446.55-566,335.83

Finding the Fourth Proportional to 1,986,279.21, 2,979,446.55 and 566,335.83

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Solution

The fourth proportional to 1,986,279.21, 2,979,446.55 and 566,335.83 is: 849,511.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,986,279.21 : 2,979,446.55 = 566,335.83 : x
  2. Step 2: Convert to fraction form
    1,986,279.21/2,979,446.55 = 566,335.83/x
  3. Step 3: Cross multiply
    1,986,279.21x = 2,979,446.55 × 566,335.83
  4. Step 4: Simplify right side
    1,986,279.21x = 1,687,367,334,834.89
  5. Step 5: Solve for x
    x = 1,687,367,334,834.89/1,986,279.21
  6. Step 6: Final answer
    x = 849,511.65

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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.