Home / 3,991,805.30-5,986,541.55-1,432,723.70

Finding the Fourth Proportional to 3,991,805.30, 5,986,541.55 and 1,432,723.70

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Solution

The fourth proportional to 3,991,805.30, 5,986,541.55 and 1,432,723.70 is: 2,148,666.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,991,805.30 : 5,986,541.55 = 1,432,723.70 : x
  2. Step 2: Convert to fraction form
    3,991,805.30/5,986,541.55 = 1,432,723.70/x
  3. Step 3: Cross multiply
    3,991,805.30x = 5,986,541.55 × 1,432,723.70
  4. Step 4: Simplify right side
    3,991,805.30x = 8,577,059,959,719.74
  5. Step 5: Solve for x
    x = 8,577,059,959,719.74/3,991,805.30
  6. Step 6: Final answer
    x = 2,148,666.91

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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.