Home / 5,221,419.32-7,832,118.21-2,945,910.75

Finding the Fourth Proportional to 5,221,419.32, 7,832,118.21 and 2,945,910.75

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Solution

The fourth proportional to 5,221,419.32, 7,832,118.21 and 2,945,910.75 is: 4,418,860.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,221,419.32 : 7,832,118.21 = 2,945,910.75 : x
  2. Step 2: Convert to fraction form
    5,221,419.32/7,832,118.21 = 2,945,910.75/x
  3. Step 3: Cross multiply
    5,221,419.32x = 7,832,118.21 × 2,945,910.75
  4. Step 4: Simplify right side
    5,221,419.32x = 23,072,721,230,109.76
  5. Step 5: Solve for x
    x = 23,072,721,230,109.76/5,221,419.32
  6. Step 6: Final answer
    x = 4,418,860.05

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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.