Home / 7,305,241.20-10,957,861.80-1,913,881.20

Finding the Fourth Proportional to 7,305,241.20, 10,957,861.80 and 1,913,881.20

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Solution

The fourth proportional to 7,305,241.20, 10,957,861.80 and 1,913,881.20 is: 2,870,821.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,305,241.20 : 10,957,861.80 = 1,913,881.20 : x
  2. Step 2: Convert to fraction form
    7,305,241.20/10,957,861.80 = 1,913,881.20/x
  3. Step 3: Cross multiply
    7,305,241.20x = 10,957,861.80 × 1,913,881.20
  4. Step 4: Simplify right side
    7,305,241.20x = 20,972,045,691,218.16
  5. Step 5: Solve for x
    x = 20,972,045,691,218.16/7,305,241.20
  6. Step 6: Final answer
    x = 2,870,821.80

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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.