Home / 2,406,765.32-3,321,378.78-1,318,964.48

Finding the Fourth Proportional to 2,406,765.32, 3,321,378.78 and 1,318,964.48

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Solution

The fourth proportional to 2,406,765.32, 3,321,378.78 and 1,318,964.48 is: 1,820,194.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,406,765.32 : 3,321,378.78 = 1,318,964.48 : x
  2. Step 2: Convert to fraction form
    2,406,765.32/3,321,378.78 = 1,318,964.48/x
  3. Step 3: Cross multiply
    2,406,765.32x = 3,321,378.78 × 1,318,964.48
  4. Step 4: Simplify right side
    2,406,765.32x = 4,380,780,635,445.73
  5. Step 5: Solve for x
    x = 4,380,780,635,445.73/2,406,765.32
  6. Step 6: Final answer
    x = 1,820,194.35

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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.