Home / 3,747,682.61-5,171,818.77-2,028,803.12

Finding the Fourth Proportional to 3,747,682.61, 5,171,818.77 and 2,028,803.12

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Solution

The fourth proportional to 3,747,682.61, 5,171,818.77 and 2,028,803.12 is: 2,799,757.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,747,682.61 : 5,171,818.77 = 2,028,803.12 : x
  2. Step 2: Convert to fraction form
    3,747,682.61/5,171,818.77 = 2,028,803.12/x
  3. Step 3: Cross multiply
    3,747,682.61x = 5,171,818.77 × 2,028,803.12
  4. Step 4: Simplify right side
    3,747,682.61x = 10,492,602,056,650.56
  5. Step 5: Solve for x
    x = 10,492,602,056,650.56/3,747,682.61
  6. Step 6: Final answer
    x = 2,799,757.38

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Double scale
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1.5x scale

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.