Home / 5,514,905.80-8,279,097.90-3,120,416.20

Finding the Fourth Proportional to 5,514,905.80, 8,279,097.90 and 3,120,416.20

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Solution

The fourth proportional to 5,514,905.80, 8,279,097.90 and 3,120,416.20 is: 4,684,437.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,514,905.80 : 8,279,097.90 = 3,120,416.20 : x
  2. Step 2: Convert to fraction form
    5,514,905.80/8,279,097.90 = 3,120,416.20/x
  3. Step 3: Cross multiply
    5,514,905.80x = 8,279,097.90 × 3,120,416.20
  4. Step 4: Simplify right side
    5,514,905.80x = 25,834,231,208,545.98
  5. Step 5: Solve for x
    x = 25,834,231,208,545.98/5,514,905.80
  6. Step 6: Final answer
    x = 4,684,437.44

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1.5x scale

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.