Home / 2,178,601.70-3,260,915.10-1,165,189.64

Finding the Fourth Proportional to 2,178,601.70, 3,260,915.10 and 1,165,189.64

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Solution

The fourth proportional to 2,178,601.70, 3,260,915.10 and 1,165,189.64 is: 1,744,047.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,178,601.70 : 3,260,915.10 = 1,165,189.64 : x
  2. Step 2: Convert to fraction form
    2,178,601.70/3,260,915.10 = 1,165,189.64/x
  3. Step 3: Cross multiply
    2,178,601.70x = 3,260,915.10 × 1,165,189.64
  4. Step 4: Simplify right side
    2,178,601.70x = 3,799,584,491,439.56
  5. Step 5: Solve for x
    x = 3,799,584,491,439.56/2,178,601.70
  6. Step 6: Final answer
    x = 1,744,047.34

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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.