Home / 3,120,583.07-4,306,420.55-1,743,949.78

Finding the Fourth Proportional to 3,120,583.07, 4,306,420.55 and 1,743,949.78

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Solution

The fourth proportional to 3,120,583.07, 4,306,420.55 and 1,743,949.78 is: 2,406,659.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,583.07 : 4,306,420.55 = 1,743,949.78 : x
  2. Step 2: Convert to fraction form
    3,120,583.07/4,306,420.55 = 1,743,949.78/x
  3. Step 3: Cross multiply
    3,120,583.07x = 4,306,420.55 × 1,743,949.78
  4. Step 4: Simplify right side
    3,120,583.07x = 7,510,181,188,577.42
  5. Step 5: Solve for x
    x = 7,510,181,188,577.42/3,120,583.07
  6. Step 6: Final answer
    x = 2,406,659.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.