Home / 3,619,208.90-5,432,960.55-2,124,143.30

Finding the Fourth Proportional to 3,619,208.90, 5,432,960.55 and 2,124,143.30

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Solution

The fourth proportional to 3,619,208.90, 5,432,960.55 and 2,124,143.30 is: 3,188,648.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,619,208.90 : 5,432,960.55 = 2,124,143.30 : x
  2. Step 2: Convert to fraction form
    3,619,208.90/5,432,960.55 = 2,124,143.30/x
  3. Step 3: Cross multiply
    3,619,208.90x = 5,432,960.55 × 2,124,143.30
  4. Step 4: Simplify right side
    3,619,208.90x = 11,540,386,751,446.81
  5. Step 5: Solve for x
    x = 11,540,386,751,446.81/3,619,208.90
  6. Step 6: Final answer
    x = 3,188,648.98

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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.