Home / 2,227,819.68-3,074,135.04-1,247,621.76

Finding the Fourth Proportional to 2,227,819.68, 3,074,135.04 and 1,247,621.76

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Solution

The fourth proportional to 2,227,819.68, 3,074,135.04 and 1,247,621.76 is: 1,721,574.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,227,819.68 : 3,074,135.04 = 1,247,621.76 : x
  2. Step 2: Convert to fraction form
    2,227,819.68/3,074,135.04 = 1,247,621.76/x
  3. Step 3: Cross multiply
    2,227,819.68x = 3,074,135.04 × 1,247,621.76
  4. Step 4: Simplify right side
    2,227,819.68x = 3,835,357,769,082.47
  5. Step 5: Solve for x
    x = 3,835,357,769,082.47/2,227,819.68
  6. Step 6: Final answer
    x = 1,721,574.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.