Home / 7,280,776.20-10,921,164.30-2,231,430.60

Finding the Fourth Proportional to 7,280,776.20, 10,921,164.30 and 2,231,430.60

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Solution

The fourth proportional to 7,280,776.20, 10,921,164.30 and 2,231,430.60 is: 3,347,145.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,280,776.20 : 10,921,164.30 = 2,231,430.60 : x
  2. Step 2: Convert to fraction form
    7,280,776.20/10,921,164.30 = 2,231,430.60/x
  3. Step 3: Cross multiply
    7,280,776.20x = 10,921,164.30 × 2,231,430.60
  4. Step 4: Simplify right side
    7,280,776.20x = 24,369,820,206,647.58
  5. Step 5: Solve for x
    x = 24,369,820,206,647.58/7,280,776.20
  6. Step 6: Final answer
    x = 3,347,145.90

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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.