Home / 3,610,135.55-4,982,025.24-1,978,507.13

Finding the Fourth Proportional to 3,610,135.55, 4,982,025.24 and 1,978,507.13

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Solution

The fourth proportional to 3,610,135.55, 4,982,025.24 and 1,978,507.13 is: 2,730,360.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,610,135.55 : 4,982,025.24 = 1,978,507.13 : x
  2. Step 2: Convert to fraction form
    3,610,135.55/4,982,025.24 = 1,978,507.13/x
  3. Step 3: Cross multiply
    3,610,135.55x = 4,982,025.24 × 1,978,507.13
  4. Step 4: Simplify right side
    3,610,135.55x = 9,856,972,471,635.03
  5. Step 5: Solve for x
    x = 9,856,972,471,635.03/3,610,135.55
  6. Step 6: Final answer
    x = 2,730,360.77

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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.