Home / 5,377,391.31-7,420,706.56-2,930,022.48

Finding the Fourth Proportional to 5,377,391.31, 7,420,706.56 and 2,930,022.48

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Solution

The fourth proportional to 5,377,391.31, 7,420,706.56 and 2,930,022.48 is: 4,043,380.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,377,391.31 : 7,420,706.56 = 2,930,022.48 : x
  2. Step 2: Convert to fraction form
    5,377,391.31/7,420,706.56 = 2,930,022.48/x
  3. Step 3: Cross multiply
    5,377,391.31x = 7,420,706.56 × 2,930,022.48
  4. Step 4: Simplify right side
    5,377,391.31x = 21,742,837,069,773.65
  5. Step 5: Solve for x
    x = 21,742,837,069,773.65/5,377,391.31
  6. Step 6: Final answer
    x = 4,043,380.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.