Home / 2,669,887.35-4,005,017.85-1,321,687.98

Finding the Fourth Proportional to 2,669,887.35, 4,005,017.85 and 1,321,687.98

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Solution

The fourth proportional to 2,669,887.35, 4,005,017.85 and 1,321,687.98 is: 1,982,624.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,669,887.35 : 4,005,017.85 = 1,321,687.98 : x
  2. Step 2: Convert to fraction form
    2,669,887.35/4,005,017.85 = 1,321,687.98/x
  3. Step 3: Cross multiply
    2,669,887.35x = 4,005,017.85 × 1,321,687.98
  4. Step 4: Simplify right side
    2,669,887.35x = 5,293,383,952,030.44
  5. Step 5: Solve for x
    x = 5,293,383,952,030.44/2,669,887.35
  6. Step 6: Final answer
    x = 1,982,624.45

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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.