Home / 2,289,304.60-3,435,512.10-1,278,424.60

Finding the Fourth Proportional to 2,289,304.60, 3,435,512.10 and 1,278,424.60

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Solution

The fourth proportional to 2,289,304.60, 3,435,512.10 and 1,278,424.60 is: 1,918,505.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,289,304.60 : 3,435,512.10 = 1,278,424.60 : x
  2. Step 2: Convert to fraction form
    2,289,304.60/3,435,512.10 = 1,278,424.60/x
  3. Step 3: Cross multiply
    2,289,304.60x = 3,435,512.10 × 1,278,424.60
  4. Step 4: Simplify right side
    2,289,304.60x = 4,392,043,182,237.66
  5. Step 5: Solve for x
    x = 4,392,043,182,237.66/2,289,304.60
  6. Step 6: Final answer
    x = 1,918,505.38

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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.