Home / 3,100,382.20-4,650,719.10-970,535.80

Finding the Fourth Proportional to 3,100,382.20, 4,650,719.10 and 970,535.80

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Solution

The fourth proportional to 3,100,382.20, 4,650,719.10 and 970,535.80 is: 1,455,849.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,100,382.20 : 4,650,719.10 = 970,535.80 : x
  2. Step 2: Convert to fraction form
    3,100,382.20/4,650,719.10 = 970,535.80/x
  3. Step 3: Cross multiply
    3,100,382.20x = 4,650,719.10 × 970,535.80
  4. Step 4: Simplify right side
    3,100,382.20x = 4,513,689,382,293.78
  5. Step 5: Solve for x
    x = 4,513,689,382,293.78/3,100,382.20
  6. Step 6: Final answer
    x = 1,455,849.34

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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.