Home / 5,447,428.20-8,172,891.90-2,413,621.80

Finding the Fourth Proportional to 5,447,428.20, 8,172,891.90 and 2,413,621.80

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Solution

The fourth proportional to 5,447,428.20, 8,172,891.90 and 2,413,621.80 is: 3,621,207.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,447,428.20 : 8,172,891.90 = 2,413,621.80 : x
  2. Step 2: Convert to fraction form
    5,447,428.20/8,172,891.90 = 2,413,621.80/x
  3. Step 3: Cross multiply
    5,447,428.20x = 8,172,891.90 × 2,413,621.80
  4. Step 4: Simplify right side
    5,447,428.20x = 19,726,270,058,883.42
  5. Step 5: Solve for x
    x = 19,726,270,058,883.42/5,447,428.20
  6. Step 6: Final answer
    x = 3,621,207.90

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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.