Home / 2,631,740.40-3,947,999.40-834,793.20

Finding the Fourth Proportional to 2,631,740.40, 3,947,999.40 and 834,793.20

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Solution

The fourth proportional to 2,631,740.40, 3,947,999.40 and 834,793.20 is: 1,252,313.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,631,740.40 : 3,947,999.40 = 834,793.20 : x
  2. Step 2: Convert to fraction form
    2,631,740.40/3,947,999.40 = 834,793.20/x
  3. Step 3: Cross multiply
    2,631,740.40x = 3,947,999.40 × 834,793.20
  4. Step 4: Simplify right side
    2,631,740.40x = 3,295,763,052,724.08
  5. Step 5: Solve for x
    x = 3,295,763,052,724.08/2,631,740.40
  6. Step 6: Final answer
    x = 1,252,313.13

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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.