Home / 2,428,157.43-3,350,769.43-1,340,405.65

Finding the Fourth Proportional to 2,428,157.43, 3,350,769.43 and 1,340,405.65

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Solution

The fourth proportional to 2,428,157.43, 3,350,769.43 and 1,340,405.65 is: 1,849,711.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,428,157.43 : 3,350,769.43 = 1,340,405.65 : x
  2. Step 2: Convert to fraction form
    2,428,157.43/3,350,769.43 = 1,340,405.65/x
  3. Step 3: Cross multiply
    2,428,157.43x = 3,350,769.43 × 1,340,405.65
  4. Step 4: Simplify right side
    2,428,157.43x = 4,491,390,275,819.28
  5. Step 5: Solve for x
    x = 4,491,390,275,819.28/2,428,157.43
  6. Step 6: Final answer
    x = 1,849,711.32

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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.