Home / 1,997,581.68-2,996,656.92-649,310.76

Finding the Fourth Proportional to 1,997,581.68, 2,996,656.92 and 649,310.76

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Solution

The fourth proportional to 1,997,581.68, 2,996,656.92 and 649,310.76 is: 974,058.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,997,581.68 : 2,996,656.92 = 649,310.76 : x
  2. Step 2: Convert to fraction form
    1,997,581.68/2,996,656.92 = 649,310.76/x
  3. Step 3: Cross multiply
    1,997,581.68x = 2,996,656.92 × 649,310.76
  4. Step 4: Simplify right side
    1,997,581.68x = 1,945,761,582,184.46
  5. Step 5: Solve for x
    x = 1,945,761,582,184.46/1,997,581.68
  6. Step 6: Final answer
    x = 974,058.58

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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.