Home / 3,143,861.80-4,338,553.26-1,748,442.96

Finding the Fourth Proportional to 3,143,861.80, 4,338,553.26 and 1,748,442.96

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Solution

The fourth proportional to 3,143,861.80, 4,338,553.26 and 1,748,442.96 is: 2,412,864.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,143,861.80 : 4,338,553.26 = 1,748,442.96 : x
  2. Step 2: Convert to fraction form
    3,143,861.80/4,338,553.26 = 1,748,442.96/x
  3. Step 3: Cross multiply
    3,143,861.80x = 4,338,553.26 × 1,748,442.96
  4. Step 4: Simplify right side
    3,143,861.80x = 7,585,712,904,032.05
  5. Step 5: Solve for x
    x = 7,585,712,904,032.05/3,143,861.80
  6. Step 6: Final answer
    x = 2,412,864.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.