Home / 3,149,371.20-4,724,056.80-1,257,470.40

Finding the Fourth Proportional to 3,149,371.20, 4,724,056.80 and 1,257,470.40

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Solution

The fourth proportional to 3,149,371.20, 4,724,056.80 and 1,257,470.40 is: 1,886,205.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,149,371.20 : 4,724,056.80 = 1,257,470.40 : x
  2. Step 2: Convert to fraction form
    3,149,371.20/4,724,056.80 = 1,257,470.40/x
  3. Step 3: Cross multiply
    3,149,371.20x = 4,724,056.80 × 1,257,470.40
  4. Step 4: Simplify right side
    3,149,371.20x = 5,940,361,593,918.72
  5. Step 5: Solve for x
    x = 5,940,361,593,918.72/3,149,371.20
  6. Step 6: Final answer
    x = 1,886,205.60

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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.