Home / 3,335,645.21-5,003,872.71-939,489.85

Finding the Fourth Proportional to 3,335,645.21, 5,003,872.71 and 939,489.85

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Solution

The fourth proportional to 3,335,645.21, 5,003,872.71 and 939,489.85 is: 1,409,348.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,335,645.21 : 5,003,872.71 = 939,489.85 : x
  2. Step 2: Convert to fraction form
    3,335,645.21/5,003,872.71 = 939,489.85/x
  3. Step 3: Cross multiply
    3,335,645.21x = 5,003,872.71 × 939,489.85
  4. Step 4: Simplify right side
    3,335,645.21x = 4,701,087,592,020.18
  5. Step 5: Solve for x
    x = 4,701,087,592,020.18/3,335,645.21
  6. Step 6: Final answer
    x = 1,409,348.81

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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.