Home / 2,907,049.56-4,011,728.40-1,618,194.42

Finding the Fourth Proportional to 2,907,049.56, 4,011,728.40 and 1,618,194.42

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Solution

The fourth proportional to 2,907,049.56, 4,011,728.40 and 1,618,194.42 is: 2,233,108.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,907,049.56 : 4,011,728.40 = 1,618,194.42 : x
  2. Step 2: Convert to fraction form
    2,907,049.56/4,011,728.40 = 1,618,194.42/x
  3. Step 3: Cross multiply
    2,907,049.56x = 4,011,728.40 × 1,618,194.42
  4. Step 4: Simplify right side
    2,907,049.56x = 6,491,756,511,435.53
  5. Step 5: Solve for x
    x = 6,491,756,511,435.53/2,907,049.56
  6. Step 6: Final answer
    x = 2,233,108.30

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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.