Home / 3,117,454.40-4,676,181.60-2,557,121.60

Finding the Fourth Proportional to 3,117,454.40, 4,676,181.60 and 2,557,121.60

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Solution

The fourth proportional to 3,117,454.40, 4,676,181.60 and 2,557,121.60 is: 3,835,682.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117,454.40 : 4,676,181.60 = 2,557,121.60 : x
  2. Step 2: Convert to fraction form
    3,117,454.40/4,676,181.60 = 2,557,121.60/x
  3. Step 3: Cross multiply
    3,117,454.40x = 4,676,181.60 × 2,557,121.60
  4. Step 4: Simplify right side
    3,117,454.40x = 11,957,564,974,882.56
  5. Step 5: Solve for x
    x = 11,957,564,974,882.56/3,117,454.40
  6. Step 6: Final answer
    x = 3,835,682.40

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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.