Home / 2,288,311.38-3,157,660.92-1,357,858.80

Finding the Fourth Proportional to 2,288,311.38, 3,157,660.92 and 1,357,858.80

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Solution

The fourth proportional to 2,288,311.38, 3,157,660.92 and 1,357,858.80 is: 1,873,721.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,288,311.38 : 3,157,660.92 = 1,357,858.80 : x
  2. Step 2: Convert to fraction form
    2,288,311.38/3,157,660.92 = 1,357,858.80/x
  3. Step 3: Cross multiply
    2,288,311.38x = 3,157,660.92 × 1,357,858.80
  4. Step 4: Simplify right side
    2,288,311.38x = 4,287,657,667,638.10
  5. Step 5: Solve for x
    x = 4,287,657,667,638.10/2,288,311.38
  6. Step 6: Final answer
    x = 1,873,721.25

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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.