Home / 3,849,680.40-5,774,520.60-2,655,286.80

Finding the Fourth Proportional to 3,849,680.40, 5,774,520.60 and 2,655,286.80

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Solution

The fourth proportional to 3,849,680.40, 5,774,520.60 and 2,655,286.80 is: 3,982,930.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,849,680.40 : 5,774,520.60 = 2,655,286.80 : x
  2. Step 2: Convert to fraction form
    3,849,680.40/5,774,520.60 = 2,655,286.80/x
  3. Step 3: Cross multiply
    3,849,680.40x = 5,774,520.60 × 2,655,286.80
  4. Step 4: Simplify right side
    3,849,680.40x = 15,333,008,325,508.08
  5. Step 5: Solve for x
    x = 15,333,008,325,508.08/3,849,680.40
  6. Step 6: Final answer
    x = 3,982,930.20

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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.