Home / 5,535,809.20-8,309,934.60-4,279,207.60

Finding the Fourth Proportional to 5,535,809.20, 8,309,934.60 and 4,279,207.60

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Solution

The fourth proportional to 5,535,809.20, 8,309,934.60 and 4,279,207.60 is: 6,423,620.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,535,809.20 : 8,309,934.60 = 4,279,207.60 : x
  2. Step 2: Convert to fraction form
    5,535,809.20/8,309,934.60 = 4,279,207.60/x
  3. Step 3: Cross multiply
    5,535,809.20x = 8,309,934.60 × 4,279,207.60
  4. Step 4: Simplify right side
    5,535,809.20x = 35,559,935,295,822.95
  5. Step 5: Solve for x
    x = 35,559,935,295,822.95/5,535,809.20
  6. Step 6: Final answer
    x = 6,423,620.11

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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.