Home / 3,591,721.80-5,372,030.70-3,215,363.40

Finding the Fourth Proportional to 3,591,721.80, 5,372,030.70 and 3,215,363.40

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Solution

The fourth proportional to 3,591,721.80, 5,372,030.70 and 3,215,363.40 is: 4,809,122.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,591,721.80 : 5,372,030.70 = 3,215,363.40 : x
  2. Step 2: Convert to fraction form
    3,591,721.80/5,372,030.70 = 3,215,363.40/x
  3. Step 3: Cross multiply
    3,591,721.80x = 5,372,030.70 × 3,215,363.40
  4. Step 4: Simplify right side
    3,591,721.80x = 17,273,030,896,456.38
  5. Step 5: Solve for x
    x = 17,273,030,896,456.38/3,591,721.80
  6. Step 6: Final answer
    x = 4,809,122.72

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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.