Home / 5,173,209.76-7,138,382.46-2,997,713.20

Finding the Fourth Proportional to 5,173,209.76, 7,138,382.46 and 2,997,713.20

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Solution

The fourth proportional to 5,173,209.76, 7,138,382.46 and 2,997,713.20 is: 4,136,469.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,173,209.76 : 7,138,382.46 = 2,997,713.20 : x
  2. Step 2: Convert to fraction form
    5,173,209.76/7,138,382.46 = 2,997,713.20/x
  3. Step 3: Cross multiply
    5,173,209.76x = 7,138,382.46 × 2,997,713.20
  4. Step 4: Simplify right side
    5,173,209.76x = 21,398,823,326,990.47
  5. Step 5: Solve for x
    x = 21,398,823,326,990.47/5,173,209.76
  6. Step 6: Final answer
    x = 4,136,469.29

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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.