Home / 2,161,261.38-3,241,892.04-813,726.36

Finding the Fourth Proportional to 2,161,261.38, 3,241,892.04 and 813,726.36

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Solution

The fourth proportional to 2,161,261.38, 3,241,892.04 and 813,726.36 is: 1,220,589.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,161,261.38 : 3,241,892.04 = 813,726.36 : x
  2. Step 2: Convert to fraction form
    2,161,261.38/3,241,892.04 = 813,726.36/x
  3. Step 3: Cross multiply
    2,161,261.38x = 3,241,892.04 × 813,726.36
  4. Step 4: Simplify right side
    2,161,261.38x = 2,638,013,009,222.17
  5. Step 5: Solve for x
    x = 2,638,013,009,222.17/2,161,261.38
  6. Step 6: Final answer
    x = 1,220,589.53

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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.