Home / 2,218,489.84-3,061,445.36-1,251,607.20

Finding the Fourth Proportional to 2,218,489.84, 3,061,445.36 and 1,251,607.20

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Solution

The fourth proportional to 2,218,489.84, 3,061,445.36 and 1,251,607.20 is: 1,727,178.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,218,489.84 : 3,061,445.36 = 1,251,607.20 : x
  2. Step 2: Convert to fraction form
    2,218,489.84/3,061,445.36 = 1,251,607.20/x
  3. Step 3: Cross multiply
    2,218,489.84x = 3,061,445.36 × 1,251,607.20
  4. Step 4: Simplify right side
    2,218,489.84x = 3,831,727,054,982.59
  5. Step 5: Solve for x
    x = 3,831,727,054,982.59/2,218,489.84
  6. Step 6: Final answer
    x = 1,727,178.09

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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.