Home / 2,205,639.20-3,308,458.80-787,296.80

Finding the Fourth Proportional to 2,205,639.20, 3,308,458.80 and 787,296.80

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Solution

The fourth proportional to 2,205,639.20, 3,308,458.80 and 787,296.80 is: 1,180,945.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,205,639.20 : 3,308,458.80 = 787,296.80 : x
  2. Step 2: Convert to fraction form
    2,205,639.20/3,308,458.80 = 787,296.80/x
  3. Step 3: Cross multiply
    2,205,639.20x = 3,308,458.80 × 787,296.80
  4. Step 4: Simplify right side
    2,205,639.20x = 2,604,739,026,171.84
  5. Step 5: Solve for x
    x = 2,604,739,026,171.84/2,205,639.20
  6. Step 6: Final answer
    x = 1,180,945.20

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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.