Home / 3,911,821.80-5,867,732.70-3,770,104.20

Finding the Fourth Proportional to 3,911,821.80, 5,867,732.70 and 3,770,104.20

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Solution

The fourth proportional to 3,911,821.80, 5,867,732.70 and 3,770,104.20 is: 5,655,156.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,911,821.80 : 5,867,732.70 = 3,770,104.20 : x
  2. Step 2: Convert to fraction form
    3,911,821.80/5,867,732.70 = 3,770,104.20/x
  3. Step 3: Cross multiply
    3,911,821.80x = 5,867,732.70 × 3,770,104.20
  4. Step 4: Simplify right side
    3,911,821.80x = 22,121,963,696,747.34
  5. Step 5: Solve for x
    x = 22,121,963,696,747.34/3,911,821.80
  6. Step 6: Final answer
    x = 5,655,156.30

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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.