Home / 1,912,013.92-2,638,654.50-1,052,654.20

Finding the Fourth Proportional to 1,912,013.92, 2,638,654.50 and 1,052,654.20

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Solution

The fourth proportional to 1,912,013.92, 2,638,654.50 and 1,052,654.20 is: 1,452,704.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,912,013.92 : 2,638,654.50 = 1,052,654.20 : x
  2. Step 2: Convert to fraction form
    1,912,013.92/2,638,654.50 = 1,052,654.20/x
  3. Step 3: Cross multiply
    1,912,013.92x = 2,638,654.50 × 1,052,654.20
  4. Step 4: Simplify right side
    1,912,013.92x = 2,777,590,741,773.90
  5. Step 5: Solve for x
    x = 2,777,590,741,773.90/1,912,013.92
  6. Step 6: Final answer
    x = 1,452,704.25

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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.