Home / 3,105,492.90-4,655,469.15-1,211,793.90

Finding the Fourth Proportional to 3,105,492.90, 4,655,469.15 and 1,211,793.90

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Solution

The fourth proportional to 3,105,492.90, 4,655,469.15 and 1,211,793.90 is: 1,816,609.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,105,492.90 : 4,655,469.15 = 1,211,793.90 : x
  2. Step 2: Convert to fraction form
    3,105,492.90/4,655,469.15 = 1,211,793.90/x
  3. Step 3: Cross multiply
    3,105,492.90x = 4,655,469.15 × 1,211,793.90
  4. Step 4: Simplify right side
    3,105,492.90x = 5,641,469,117,608.19
  5. Step 5: Solve for x
    x = 5,641,469,117,608.19/3,105,492.90
  6. Step 6: Final answer
    x = 1,816,609.89

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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.