Home / 3,413,581.42-5,120,353.62-1,391,817.46

Finding the Fourth Proportional to 3,413,581.42, 5,120,353.62 and 1,391,817.46

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Solution

The fourth proportional to 3,413,581.42, 5,120,353.62 and 1,391,817.46 is: 2,087,718.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,413,581.42 : 5,120,353.62 = 1,391,817.46 : x
  2. Step 2: Convert to fraction form
    3,413,581.42/5,120,353.62 = 1,391,817.46/x
  3. Step 3: Cross multiply
    3,413,581.42x = 5,120,353.62 × 1,391,817.46
  4. Step 4: Simplify right side
    3,413,581.42x = 7,126,597,569,690.21
  5. Step 5: Solve for x
    x = 7,126,597,569,690.21/3,413,581.42
  6. Step 6: Final answer
    x = 2,087,718.64

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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.