Home / 5,149,130.54-7,106,132.30-2,857,291.23

Finding the Fourth Proportional to 5,149,130.54, 7,106,132.30 and 2,857,291.23

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Solution

The fourth proportional to 5,149,130.54, 7,106,132.30 and 2,857,291.23 is: 3,943,246.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,149,130.54 : 7,106,132.30 = 2,857,291.23 : x
  2. Step 2: Convert to fraction form
    5,149,130.54/7,106,132.30 = 2,857,291.23/x
  3. Step 3: Cross multiply
    5,149,130.54x = 7,106,132.30 × 2,857,291.23
  4. Step 4: Simplify right side
    5,149,130.54x = 20,304,289,485,723.27
  5. Step 5: Solve for x
    x = 20,304,289,485,723.27/5,149,130.54
  6. Step 6: Final answer
    x = 3,943,246.21

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Double scale
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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.