Home / 2,995,883.28-4,493,857.72-865,985.85

Finding the Fourth Proportional to 2,995,883.28, 4,493,857.72 and 865,985.85

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Solution

The fourth proportional to 2,995,883.28, 4,493,857.72 and 865,985.85 is: 1,298,988.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,995,883.28 : 4,493,857.72 = 865,985.85 : x
  2. Step 2: Convert to fraction form
    2,995,883.28/4,493,857.72 = 865,985.85/x
  3. Step 3: Cross multiply
    2,995,883.28x = 4,493,857.72 × 865,985.85
  4. Step 4: Simplify right side
    2,995,883.28x = 3,891,617,170,634.04
  5. Step 5: Solve for x
    x = 3,891,617,170,634.04/2,995,883.28
  6. Step 6: Final answer
    x = 1,298,988.25

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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.