Home / 3,853,988.40-5,318,116.08-2,134,787.76

Finding the Fourth Proportional to 3,853,988.40, 5,318,116.08 and 2,134,787.76

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Solution

The fourth proportional to 3,853,988.40, 5,318,116.08 and 2,134,787.76 is: 2,945,792.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,853,988.40 : 5,318,116.08 = 2,134,787.76 : x
  2. Step 2: Convert to fraction form
    3,853,988.40/5,318,116.08 = 2,134,787.76/x
  3. Step 3: Cross multiply
    3,853,988.40x = 5,318,116.08 × 2,134,787.76
  4. Step 4: Simplify right side
    3,853,988.40x = 11,353,049,113,843.18
  5. Step 5: Solve for x
    x = 11,353,049,113,843.18/3,853,988.40
  6. Step 6: Final answer
    x = 2,945,792.24

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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.