Home / 3,543,245.70-5,315,646.15-1,147,200.90

Finding the Fourth Proportional to 3,543,245.70, 5,315,646.15 and 1,147,200.90

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Solution

The fourth proportional to 3,543,245.70, 5,315,646.15 and 1,147,200.90 is: 1,721,053.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,543,245.70 : 5,315,646.15 = 1,147,200.90 : x
  2. Step 2: Convert to fraction form
    3,543,245.70/5,315,646.15 = 1,147,200.90/x
  3. Step 3: Cross multiply
    3,543,245.70x = 5,315,646.15 × 1,147,200.90
  4. Step 4: Simplify right side
    3,543,245.70x = 6,098,114,047,361.54
  5. Step 5: Solve for x
    x = 6,098,114,047,361.54/3,543,245.70
  6. Step 6: Final answer
    x = 1,721,053.11

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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.