Home / 2,427,127.20-3,643,023.60-1,230,400.80

Finding the Fourth Proportional to 2,427,127.20, 3,643,023.60 and 1,230,400.80

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Solution

The fourth proportional to 2,427,127.20, 3,643,023.60 and 1,230,400.80 is: 1,846,783.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,427,127.20 : 3,643,023.60 = 1,230,400.80 : x
  2. Step 2: Convert to fraction form
    2,427,127.20/3,643,023.60 = 1,230,400.80/x
  3. Step 3: Cross multiply
    2,427,127.20x = 3,643,023.60 × 1,230,400.80
  4. Step 4: Simplify right side
    2,427,127.20x = 4,482,379,151,858.88
  5. Step 5: Solve for x
    x = 4,482,379,151,858.88/2,427,127.20
  6. Step 6: Final answer
    x = 1,846,783.78

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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.