Home / 2,632,710.40-3,947,899.20-1,213,201.60

Finding the Fourth Proportional to 2,632,710.40, 3,947,899.20 and 1,213,201.60

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Solution

The fourth proportional to 2,632,710.40, 3,947,899.20 and 1,213,201.60 is: 1,819,264.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,632,710.40 : 3,947,899.20 = 1,213,201.60 : x
  2. Step 2: Convert to fraction form
    2,632,710.40/3,947,899.20 = 1,213,201.60/x
  3. Step 3: Cross multiply
    2,632,710.40x = 3,947,899.20 × 1,213,201.60
  4. Step 4: Simplify right side
    2,632,710.40x = 4,789,597,626,078.72
  5. Step 5: Solve for x
    x = 4,789,597,626,078.72/2,632,710.40
  6. Step 6: Final answer
    x = 1,819,264.90

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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.