Home / 2,832,367.12-4,248,546.82-1,315,220.45

Finding the Fourth Proportional to 2,832,367.12, 4,248,546.82 and 1,315,220.45

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Solution

The fourth proportional to 2,832,367.12, 4,248,546.82 and 1,315,220.45 is: 1,972,828.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,832,367.12 : 4,248,546.82 = 1,315,220.45 : x
  2. Step 2: Convert to fraction form
    2,832,367.12/4,248,546.82 = 1,315,220.45/x
  3. Step 3: Cross multiply
    2,832,367.12x = 4,248,546.82 × 1,315,220.45
  4. Step 4: Simplify right side
    2,832,367.12x = 5,587,775,660,446.47
  5. Step 5: Solve for x
    x = 5,587,775,660,446.47/2,832,367.12
  6. Step 6: Final answer
    x = 1,972,828.88

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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.