Home / 3,119,711.10-4,680,441.45-1,323,455.10

Finding the Fourth Proportional to 3,119,711.10, 4,680,441.45 and 1,323,455.10

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Solution

The fourth proportional to 3,119,711.10, 4,680,441.45 and 1,323,455.10 is: 1,985,553.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119,711.10 : 4,680,441.45 = 1,323,455.10 : x
  2. Step 2: Convert to fraction form
    3,119,711.10/4,680,441.45 = 1,323,455.10/x
  3. Step 3: Cross multiply
    3,119,711.10x = 4,680,441.45 × 1,323,455.10
  4. Step 4: Simplify right side
    3,119,711.10x = 6,194,354,107,253.90
  5. Step 5: Solve for x
    x = 6,194,354,107,253.90/3,119,711.10
  6. Step 6: Final answer
    x = 1,985,553.76

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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.