Home / 2,145,840.72-2,961,212.58-1,165,754.43

Finding the Fourth Proportional to 2,145,840.72, 2,961,212.58 and 1,165,754.43

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Solution

The fourth proportional to 2,145,840.72, 2,961,212.58 and 1,165,754.43 is: 1,608,715.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,145,840.72 : 2,961,212.58 = 1,165,754.43 : x
  2. Step 2: Convert to fraction form
    2,145,840.72/2,961,212.58 = 1,165,754.43/x
  3. Step 3: Cross multiply
    2,145,840.72x = 2,961,212.58 × 1,165,754.43
  4. Step 4: Simplify right side
    2,145,840.72x = 3,452,046,683,306.73
  5. Step 5: Solve for x
    x = 3,452,046,683,306.73/2,145,840.72
  6. Step 6: Final answer
    x = 1,608,715.25

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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.