Home / 5,438,428.11-8,150,293.62-2,070,798.03

Finding the Fourth Proportional to 5,438,428.11, 8,150,293.62 and 2,070,798.03

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Solution

The fourth proportional to 5,438,428.11, 8,150,293.62 and 2,070,798.03 is: 3,103,398.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,438,428.11 : 8,150,293.62 = 2,070,798.03 : x
  2. Step 2: Convert to fraction form
    5,438,428.11/8,150,293.62 = 2,070,798.03/x
  3. Step 3: Cross multiply
    5,438,428.11x = 8,150,293.62 × 2,070,798.03
  4. Step 4: Simplify right side
    5,438,428.11x = 16,877,611,972,217.57
  5. Step 5: Solve for x
    x = 16,877,611,972,217.57/5,438,428.11
  6. Step 6: Final answer
    x = 3,103,398.93

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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.