Home / 1,979,863.75-2,732,244.78-1,074,445.75

Finding the Fourth Proportional to 1,979,863.75, 2,732,244.78 and 1,074,445.75

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Solution

The fourth proportional to 1,979,863.75, 2,732,244.78 and 1,074,445.75 is: 1,482,752.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,979,863.75 : 2,732,244.78 = 1,074,445.75 : x
  2. Step 2: Convert to fraction form
    1,979,863.75/2,732,244.78 = 1,074,445.75/x
  3. Step 3: Cross multiply
    1,979,863.75x = 2,732,244.78 × 1,074,445.75
  4. Step 4: Simplify right side
    1,979,863.75x = 2,935,648,791,830.68
  5. Step 5: Solve for x
    x = 2,935,648,791,830.68/1,979,863.75
  6. Step 6: Final answer
    x = 1,482,752.94

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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.