Home / 2,759,915.70-4,139,873.55-2,635,912.80

Finding the Fourth Proportional to 2,759,915.70, 4,139,873.55 and 2,635,912.80

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Solution

The fourth proportional to 2,759,915.70, 4,139,873.55 and 2,635,912.80 is: 3,953,869.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,759,915.70 : 4,139,873.55 = 2,635,912.80 : x
  2. Step 2: Convert to fraction form
    2,759,915.70/4,139,873.55 = 2,635,912.80/x
  3. Step 3: Cross multiply
    2,759,915.70x = 4,139,873.55 × 2,635,912.80
  4. Step 4: Simplify right side
    2,759,915.70x = 10,912,345,680,826.44
  5. Step 5: Solve for x
    x = 10,912,345,680,826.44/2,759,915.70
  6. Step 6: Final answer
    x = 3,953,869.20

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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.