Home / 3,199,988.16-4,771,753.92-3,171,185.28

Finding the Fourth Proportional to 3,199,988.16, 4,771,753.92 and 3,171,185.28

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Solution

The fourth proportional to 3,199,988.16, 4,771,753.92 and 3,171,185.28 is: 4,728,803.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,199,988.16 : 4,771,753.92 = 3,171,185.28 : x
  2. Step 2: Convert to fraction form
    3,199,988.16/4,771,753.92 = 3,171,185.28/x
  3. Step 3: Cross multiply
    3,199,988.16x = 4,771,753.92 × 3,171,185.28
  4. Step 4: Simplify right side
    3,199,988.16x = 15,132,115,790,886.30
  5. Step 5: Solve for x
    x = 15,132,115,790,886.30/3,199,988.16
  6. Step 6: Final answer
    x = 4,728,803.68

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.