Home / 2,061,728.35-2,845,280.92-1,287,817.39

Finding the Fourth Proportional to 2,061,728.35, 2,845,280.92 and 1,287,817.39

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Solution

The fourth proportional to 2,061,728.35, 2,845,280.92 and 1,287,817.39 is: 1,777,247.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,061,728.35 : 2,845,280.92 = 1,287,817.39 : x
  2. Step 2: Convert to fraction form
    2,061,728.35/2,845,280.92 = 1,287,817.39/x
  3. Step 3: Cross multiply
    2,061,728.35x = 2,845,280.92 × 1,287,817.39
  4. Step 4: Simplify right side
    2,061,728.35x = 3,664,202,241,772.11
  5. Step 5: Solve for x
    x = 3,664,202,241,772.11/2,061,728.35
  6. Step 6: Final answer
    x = 1,777,247.83

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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.