Home / 2,284,705.80-3,428,370.90-865,780.20

Finding the Fourth Proportional to 2,284,705.80, 3,428,370.90 and 865,780.20

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Solution

The fourth proportional to 2,284,705.80, 3,428,370.90 and 865,780.20 is: 1,299,167.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,284,705.80 : 3,428,370.90 = 865,780.20 : x
  2. Step 2: Convert to fraction form
    2,284,705.80/3,428,370.90 = 865,780.20/x
  3. Step 3: Cross multiply
    2,284,705.80x = 3,428,370.90 × 865,780.20
  4. Step 4: Simplify right side
    2,284,705.80x = 2,968,215,643,476.18
  5. Step 5: Solve for x
    x = 2,968,215,643,476.18/2,284,705.80
  6. Step 6: Final answer
    x = 1,299,167.55

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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.