Home / 3,996,387-5,515,145.28-2,185,551

Finding the Fourth Proportional to 3,996,387, 5,515,145.28 and 2,185,551

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Solution

The fourth proportional to 3,996,387, 5,515,145.28 and 2,185,551 is: 3,016,132.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,996,387 : 5,515,145.28 = 2,185,551 : x
  2. Step 2: Convert to fraction form
    3,996,387/5,515,145.28 = 2,185,551/x
  3. Step 3: Cross multiply
    3,996,387x = 5,515,145.28 × 2,185,551
  4. Step 4: Simplify right side
    3,996,387x = 12,053,631,281,849.28
  5. Step 5: Solve for x
    x = 12,053,631,281,849.28/3,996,387
  6. Step 6: Final answer
    x = 3,016,132.14

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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.