Home / 2,218,785.60-3,325,163.04-938,328.96

Finding the Fourth Proportional to 2,218,785.60, 3,325,163.04 and 938,328.96

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Solution

The fourth proportional to 2,218,785.60, 3,325,163.04 and 938,328.96 is: 1,406,218.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,218,785.60 : 3,325,163.04 = 938,328.96 : x
  2. Step 2: Convert to fraction form
    2,218,785.60/3,325,163.04 = 938,328.96/x
  3. Step 3: Cross multiply
    2,218,785.60x = 3,325,163.04 × 938,328.96
  4. Step 4: Simplify right side
    2,218,785.60x = 3,120,096,777,153.64
  5. Step 5: Solve for x
    x = 3,120,096,777,153.64/2,218,785.60
  6. Step 6: Final answer
    x = 1,406,218.24

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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.