Home / 2,491,390.80-3,737,086.20-808,664.40

Finding the Fourth Proportional to 2,491,390.80, 3,737,086.20 and 808,664.40

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Solution

The fourth proportional to 2,491,390.80, 3,737,086.20 and 808,664.40 is: 1,212,996.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,491,390.80 : 3,737,086.20 = 808,664.40 : x
  2. Step 2: Convert to fraction form
    2,491,390.80/3,737,086.20 = 808,664.40/x
  3. Step 3: Cross multiply
    2,491,390.80x = 3,737,086.20 × 808,664.40
  4. Step 4: Simplify right side
    2,491,390.80x = 3,022,048,569,671.28
  5. Step 5: Solve for x
    x = 3,022,048,569,671.28/2,491,390.80
  6. Step 6: Final answer
    x = 1,212,996.60

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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.