Home / 5,348,077.20-8,020,366.20-1,981,846.80

Finding the Fourth Proportional to 5,348,077.20, 8,020,366.20 and 1,981,846.80

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Solution

The fourth proportional to 5,348,077.20, 8,020,366.20 and 1,981,846.80 is: 2,972,121.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,348,077.20 : 8,020,366.20 = 1,981,846.80 : x
  2. Step 2: Convert to fraction form
    5,348,077.20/8,020,366.20 = 1,981,846.80/x
  3. Step 3: Cross multiply
    5,348,077.20x = 8,020,366.20 × 1,981,846.80
  4. Step 4: Simplify right side
    5,348,077.20x = 15,895,137,088,298.16
  5. Step 5: Solve for x
    x = 15,895,137,088,298.16/5,348,077.20
  6. Step 6: Final answer
    x = 2,972,121.85

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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.