Home / 3,470,680.80-5,206,021.20-3,117,261.60

Finding the Fourth Proportional to 3,470,680.80, 5,206,021.20 and 3,117,261.60

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Solution

The fourth proportional to 3,470,680.80, 5,206,021.20 and 3,117,261.60 is: 4,675,892.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,470,680.80 : 5,206,021.20 = 3,117,261.60 : x
  2. Step 2: Convert to fraction form
    3,470,680.80/5,206,021.20 = 3,117,261.60/x
  3. Step 3: Cross multiply
    3,470,680.80x = 5,206,021.20 × 3,117,261.60
  4. Step 4: Simplify right side
    3,470,680.80x = 16,228,529,975,545.92
  5. Step 5: Solve for x
    x = 16,228,529,975,545.92/3,470,680.80
  6. Step 6: Final answer
    x = 4,675,892.40

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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.