Home / 2,820,849.28-3,891,810.48-1,802,841.28

Finding the Fourth Proportional to 2,820,849.28, 3,891,810.48 and 1,802,841.28

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Solution

The fourth proportional to 2,820,849.28, 3,891,810.48 and 1,802,841.28 is: 2,487,306.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,820,849.28 : 3,891,810.48 = 1,802,841.28 : x
  2. Step 2: Convert to fraction form
    2,820,849.28/3,891,810.48 = 1,802,841.28/x
  3. Step 3: Cross multiply
    2,820,849.28x = 3,891,810.48 × 1,802,841.28
  4. Step 4: Simplify right side
    2,820,849.28x = 7,016,316,587,280.61
  5. Step 5: Solve for x
    x = 7,016,316,587,280.61/2,820,849.28
  6. Step 6: Final answer
    x = 2,487,306.44

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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.