Home / 3,543,168.20-5,315,529.90-1,147,123.40

Finding the Fourth Proportional to 3,543,168.20, 5,315,529.90 and 1,147,123.40

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Solution

The fourth proportional to 3,543,168.20, 5,315,529.90 and 1,147,123.40 is: 1,720,936.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,543,168.20 : 5,315,529.90 = 1,147,123.40 : x
  2. Step 2: Convert to fraction form
    3,543,168.20/5,315,529.90 = 1,147,123.40/x
  3. Step 3: Cross multiply
    3,543,168.20x = 5,315,529.90 × 1,147,123.40
  4. Step 4: Simplify right side
    3,543,168.20x = 6,097,568,731,689.66
  5. Step 5: Solve for x
    x = 6,097,568,731,689.66/3,543,168.20
  6. Step 6: Final answer
    x = 1,720,936.85

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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.