Home / 3,146,414.30-4,719,607.98-871,932.20

Finding the Fourth Proportional to 3,146,414.30, 4,719,607.98 and 871,932.20

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Solution

The fourth proportional to 3,146,414.30, 4,719,607.98 and 871,932.20 is: 1,307,894.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,146,414.30 : 4,719,607.98 = 871,932.20 : x
  2. Step 2: Convert to fraction form
    3,146,414.30/4,719,607.98 = 871,932.20/x
  3. Step 3: Cross multiply
    3,146,414.30x = 4,719,607.98 × 871,932.20
  4. Step 4: Simplify right side
    3,146,414.30x = 4,115,178,169,138.96
  5. Step 5: Solve for x
    x = 4,115,178,169,138.96/3,146,414.30
  6. Step 6: Final answer
    x = 1,307,894.57

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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.