Home / 5,514,777.80-8,278,905.90-3,120,288.20

Finding the Fourth Proportional to 5,514,777.80, 8,278,905.90 and 3,120,288.20

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Solution

The fourth proportional to 5,514,777.80, 8,278,905.90 and 3,120,288.20 is: 4,684,245.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,514,777.80 : 8,278,905.90 = 3,120,288.20 : x
  2. Step 2: Convert to fraction form
    5,514,777.80/8,278,905.90 = 3,120,288.20/x
  3. Step 3: Cross multiply
    5,514,777.80x = 8,278,905.90 × 3,120,288.20
  4. Step 4: Simplify right side
    5,514,777.80x = 25,832,572,388,680.38
  5. Step 5: Solve for x
    x = 25,832,572,388,680.38/5,514,777.80
  6. Step 6: Final answer
    x = 4,684,245.37

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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.