Home / 2,428,157.51-3,350,769.54-1,340,405.73

Finding the Fourth Proportional to 2,428,157.51, 3,350,769.54 and 1,340,405.73

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Solution

The fourth proportional to 2,428,157.51, 3,350,769.54 and 1,340,405.73 is: 1,849,711.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,428,157.51 : 3,350,769.54 = 1,340,405.73 : x
  2. Step 2: Convert to fraction form
    2,428,157.51/3,350,769.54 = 1,340,405.73/x
  3. Step 3: Cross multiply
    2,428,157.51x = 3,350,769.54 × 1,340,405.73
  4. Step 4: Simplify right side
    2,428,157.51x = 4,491,390,691,325.46
  5. Step 5: Solve for x
    x = 4,491,390,691,325.46/2,428,157.51
  6. Step 6: Final answer
    x = 1,849,711.43

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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.