Home / 2,663,291.83-3,989,156.82-1,635,503.05

Finding the Fourth Proportional to 2,663,291.83, 3,989,156.82 and 1,635,503.05

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Solution

The fourth proportional to 2,663,291.83, 3,989,156.82 and 1,635,503.05 is: 2,449,704.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,663,291.83 : 3,989,156.82 = 1,635,503.05 : x
  2. Step 2: Convert to fraction form
    2,663,291.83/3,989,156.82 = 1,635,503.05/x
  3. Step 3: Cross multiply
    2,663,291.83x = 3,989,156.82 × 1,635,503.05
  4. Step 4: Simplify right side
    2,663,291.83x = 6,524,278,122,452.60
  5. Step 5: Solve for x
    x = 6,524,278,122,452.60/2,663,291.83
  6. Step 6: Final answer
    x = 2,449,704.55

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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.