Home / 2,428,142.20-3,350,597.40-1,340,343.59

Finding the Fourth Proportional to 2,428,142.20, 3,350,597.40 and 1,340,343.59

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Solution

The fourth proportional to 2,428,142.20, 3,350,597.40 and 1,340,343.59 is: 1,849,542.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,428,142.20 : 3,350,597.40 = 1,340,343.59 : x
  2. Step 2: Convert to fraction form
    2,428,142.20/3,350,597.40 = 1,340,343.59/x
  3. Step 3: Cross multiply
    2,428,142.20x = 3,350,597.40 × 1,340,343.59
  4. Step 4: Simplify right side
    2,428,142.20x = 4,490,951,731,007.68
  5. Step 5: Solve for x
    x = 4,490,951,731,007.68/2,428,142.20
  6. Step 6: Final answer
    x = 1,849,542.31

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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.