Home / 2,682,695.20-4,024,042.80-688,151.20

Finding the Fourth Proportional to 2,682,695.20, 4,024,042.80 and 688,151.20

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Solution

The fourth proportional to 2,682,695.20, 4,024,042.80 and 688,151.20 is: 1,032,226.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,682,695.20 : 4,024,042.80 = 688,151.20 : x
  2. Step 2: Convert to fraction form
    2,682,695.20/4,024,042.80 = 688,151.20/x
  3. Step 3: Cross multiply
    2,682,695.20x = 4,024,042.80 × 688,151.20
  4. Step 4: Simplify right side
    2,682,695.20x = 2,769,149,881,671.36
  5. Step 5: Solve for x
    x = 2,769,149,881,671.36/2,682,695.20
  6. Step 6: Final answer
    x = 1,032,226.80

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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.