Home / 4,278,412.80-6,417,619.20-3,438,604.80

Finding the Fourth Proportional to 4,278,412.80, 6,417,619.20 and 3,438,604.80

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Solution

The fourth proportional to 4,278,412.80, 6,417,619.20 and 3,438,604.80 is: 5,157,907.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,278,412.80 : 6,417,619.20 = 3,438,604.80 : x
  2. Step 2: Convert to fraction form
    4,278,412.80/6,417,619.20 = 3,438,604.80/x
  3. Step 3: Cross multiply
    4,278,412.80x = 6,417,619.20 × 3,438,604.80
  4. Step 4: Simplify right side
    4,278,412.80x = 22,067,656,185,692.16
  5. Step 5: Solve for x
    x = 22,067,656,185,692.16/4,278,412.80
  6. Step 6: Final answer
    x = 5,157,907.20

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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.