Home / 3,912,721.80-5,869,082.70-3,771,004.20

Finding the Fourth Proportional to 3,912,721.80, 5,869,082.70 and 3,771,004.20

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Solution

The fourth proportional to 3,912,721.80, 5,869,082.70 and 3,771,004.20 is: 5,656,506.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,912,721.80 : 5,869,082.70 = 3,771,004.20 : x
  2. Step 2: Convert to fraction form
    3,912,721.80/5,869,082.70 = 3,771,004.20/x
  3. Step 3: Cross multiply
    3,912,721.80x = 5,869,082.70 × 3,771,004.20
  4. Step 4: Simplify right side
    3,912,721.80x = 22,132,335,511,847.34
  5. Step 5: Solve for x
    x = 22,132,335,511,847.34/3,912,721.80
  6. Step 6: Final answer
    x = 5,656,506.30

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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.