Home / 2,518,151.10-3,777,481.80-811,853.70

Finding the Fourth Proportional to 2,518,151.10, 3,777,481.80 and 811,853.70

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Solution

The fourth proportional to 2,518,151.10, 3,777,481.80 and 811,853.70 is: 1,217,862.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,518,151.10 : 3,777,481.80 = 811,853.70 : x
  2. Step 2: Convert to fraction form
    2,518,151.10/3,777,481.80 = 811,853.70/x
  3. Step 3: Cross multiply
    2,518,151.10x = 3,777,481.80 × 811,853.70
  4. Step 4: Simplify right side
    2,518,151.10x = 3,066,762,576,012.66
  5. Step 5: Solve for x
    x = 3,066,762,576,012.66/2,518,151.10
  6. Step 6: Final answer
    x = 1,217,862.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.