Home / 2,643,515.38-3,965,265.78-750,258.64

Finding the Fourth Proportional to 2,643,515.38, 3,965,265.78 and 750,258.64

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Solution

The fourth proportional to 2,643,515.38, 3,965,265.78 and 750,258.64 is: 1,125,385.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,643,515.38 : 3,965,265.78 = 750,258.64 : x
  2. Step 2: Convert to fraction form
    2,643,515.38/3,965,265.78 = 750,258.64/x
  3. Step 3: Cross multiply
    2,643,515.38x = 3,965,265.78 × 750,258.64
  4. Step 4: Simplify right side
    2,643,515.38x = 2,974,974,911,341.34
  5. Step 5: Solve for x
    x = 2,974,974,911,341.34/2,643,515.38
  6. Step 6: Final answer
    x = 1,125,385.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.