Home / 3,854,213.12-5,318,988.38-2,135,333.63

Finding the Fourth Proportional to 3,854,213.12, 5,318,988.38 and 2,135,333.63

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Solution

The fourth proportional to 3,854,213.12, 5,318,988.38 and 2,135,333.63 is: 2,946,856.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,854,213.12 : 5,318,988.38 = 2,135,333.63 : x
  2. Step 2: Convert to fraction form
    3,854,213.12/5,318,988.38 = 2,135,333.63/x
  3. Step 3: Cross multiply
    3,854,213.12x = 5,318,988.38 × 2,135,333.63
  4. Step 4: Simplify right side
    3,854,213.12x = 11,357,814,728,121.61
  5. Step 5: Solve for x
    x = 11,357,814,728,121.61/3,854,213.12
  6. Step 6: Final answer
    x = 2,946,856.96

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Double scale
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1.5x scale

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.