Home / 6,436,279.20-9,655,714.80-1,887,319.20

Finding the Fourth Proportional to 6,436,279.20, 9,655,714.80 and 1,887,319.20

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Solution

The fourth proportional to 6,436,279.20, 9,655,714.80 and 1,887,319.20 is: 2,831,358.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,436,279.20 : 9,655,714.80 = 1,887,319.20 : x
  2. Step 2: Convert to fraction form
    6,436,279.20/9,655,714.80 = 1,887,319.20/x
  3. Step 3: Cross multiply
    6,436,279.20x = 9,655,714.80 × 1,887,319.20
  4. Step 4: Simplify right side
    6,436,279.20x = 18,223,415,931,764.16
  5. Step 5: Solve for x
    x = 18,223,415,931,764.16/6,436,279.20
  6. Step 6: Final answer
    x = 2,831,358.83

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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.