Home / 2,993,787.20-4,490,243.40-863,649.20

Finding the Fourth Proportional to 2,993,787.20, 4,490,243.40 and 863,649.20

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Solution

The fourth proportional to 2,993,787.20, 4,490,243.40 and 863,649.20 is: 1,295,347.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,993,787.20 : 4,490,243.40 = 863,649.20 : x
  2. Step 2: Convert to fraction form
    2,993,787.20/4,490,243.40 = 863,649.20/x
  3. Step 3: Cross multiply
    2,993,787.20x = 4,490,243.40 × 863,649.20
  4. Step 4: Simplify right side
    2,993,787.20x = 3,877,995,120,215.28
  5. Step 5: Solve for x
    x = 3,877,995,120,215.28/2,993,787.20
  6. Step 6: Final answer
    x = 1,295,347.62

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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.