Home / 2,278,822.23-3,145,565.75-1,312,337.52

Finding the Fourth Proportional to 2,278,822.23, 3,145,565.75 and 1,312,337.52

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Solution

The fourth proportional to 2,278,822.23, 3,145,565.75 and 1,312,337.52 is: 1,811,481.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,278,822.23 : 3,145,565.75 = 1,312,337.52 : x
  2. Step 2: Convert to fraction form
    2,278,822.23/3,145,565.75 = 1,312,337.52/x
  3. Step 3: Cross multiply
    2,278,822.23x = 3,145,565.75 × 1,312,337.52
  4. Step 4: Simplify right side
    2,278,822.23x = 4,128,043,948,790.25
  5. Step 5: Solve for x
    x = 4,128,043,948,790.25/2,278,822.23
  6. Step 6: Final answer
    x = 1,811,481.34

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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.