Home / 2,515,452.59-3,471,638.40-1,428,076.19

Finding the Fourth Proportional to 2,515,452.59, 3,471,638.40 and 1,428,076.19

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Solution

The fourth proportional to 2,515,452.59, 3,471,638.40 and 1,428,076.19 is: 1,970,923.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,515,452.59 : 3,471,638.40 = 1,428,076.19 : x
  2. Step 2: Convert to fraction form
    2,515,452.59/3,471,638.40 = 1,428,076.19/x
  3. Step 3: Cross multiply
    2,515,452.59x = 3,471,638.40 × 1,428,076.19
  4. Step 4: Simplify right side
    2,515,452.59x = 4,957,764,148,008.79
  5. Step 5: Solve for x
    x = 4,957,764,148,008.79/2,515,452.59
  6. Step 6: Final answer
    x = 1,970,923.31

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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.