Home / 2,777,825.40-4,167,126.90-1,180,375.80

Finding the Fourth Proportional to 2,777,825.40, 4,167,126.90 and 1,180,375.80

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Solution

The fourth proportional to 2,777,825.40, 4,167,126.90 and 1,180,375.80 is: 1,770,728.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,777,825.40 : 4,167,126.90 = 1,180,375.80 : x
  2. Step 2: Convert to fraction form
    2,777,825.40/4,167,126.90 = 1,180,375.80/x
  3. Step 3: Cross multiply
    2,777,825.40x = 4,167,126.90 × 1,180,375.80
  4. Step 4: Simplify right side
    2,777,825.40x = 4,918,775,748,289.02
  5. Step 5: Solve for x
    x = 4,918,775,748,289.02/2,777,825.40
  6. Step 6: Final answer
    x = 1,770,728.91

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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.