Home / 3,612,000.12-5,417,938.21-1,215,844.55

Finding the Fourth Proportional to 3,612,000.12, 5,417,938.21 and 1,215,844.55

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Solution

The fourth proportional to 3,612,000.12, 5,417,938.21 and 1,215,844.55 is: 1,823,745.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,612,000.12 : 5,417,938.21 = 1,215,844.55 : x
  2. Step 2: Convert to fraction form
    3,612,000.12/5,417,938.21 = 1,215,844.55/x
  3. Step 3: Cross multiply
    3,612,000.12x = 5,417,938.21 × 1,215,844.55
  4. Step 4: Simplify right side
    3,612,000.12x = 6,587,370,644,865.26
  5. Step 5: Solve for x
    x = 6,587,370,644,865.26/3,612,000.12
  6. Step 6: Final answer
    x = 1,823,745.97

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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.