Home / 2,376,454.43-3,279,507.89-1,288,725.68

Finding the Fourth Proportional to 2,376,454.43, 3,279,507.89 and 1,288,725.68

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Solution

The fourth proportional to 2,376,454.43, 3,279,507.89 and 1,288,725.68 is: 1,778,441.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,376,454.43 : 3,279,507.89 = 1,288,725.68 : x
  2. Step 2: Convert to fraction form
    2,376,454.43/3,279,507.89 = 1,288,725.68/x
  3. Step 3: Cross multiply
    2,376,454.43x = 3,279,507.89 × 1,288,725.68
  4. Step 4: Simplify right side
    2,376,454.43x = 4,226,386,037,360.76
  5. Step 5: Solve for x
    x = 4,226,386,037,360.76/2,376,454.43
  6. Step 6: Final answer
    x = 1,778,441.86

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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.