Home / 3,579,517.60-4,939,735.10-1,969,885.60

Finding the Fourth Proportional to 3,579,517.60, 4,939,735.10 and 1,969,885.60

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Solution

The fourth proportional to 3,579,517.60, 4,939,735.10 and 1,969,885.60 is: 2,718,442.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,579,517.60 : 4,939,735.10 = 1,969,885.60 : x
  2. Step 2: Convert to fraction form
    3,579,517.60/4,939,735.10 = 1,969,885.60/x
  3. Step 3: Cross multiply
    3,579,517.60x = 4,939,735.10 × 1,969,885.60
  4. Step 4: Simplify right side
    3,579,517.60x = 9,730,713,019,105.79
  5. Step 5: Solve for x
    x = 9,730,713,019,105.79/3,579,517.60
  6. Step 6: Final answer
    x = 2,718,442.57

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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.