Home / 2,008,227.20-3,012,340.80-678,531.20

Finding the Fourth Proportional to 2,008,227.20, 3,012,340.80 and 678,531.20

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Solution

The fourth proportional to 2,008,227.20, 3,012,340.80 and 678,531.20 is: 1,017,796.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,008,227.20 : 3,012,340.80 = 678,531.20 : x
  2. Step 2: Convert to fraction form
    2,008,227.20/3,012,340.80 = 678,531.20/x
  3. Step 3: Cross multiply
    2,008,227.20x = 3,012,340.80 × 678,531.20
  4. Step 4: Simplify right side
    2,008,227.20x = 2,043,967,217,832.96
  5. Step 5: Solve for x
    x = 2,043,967,217,832.96/2,008,227.20
  6. Step 6: Final answer
    x = 1,017,796.80

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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.