Home / 3,716,818.88-5,128,588.32-2,189,230.16

Finding the Fourth Proportional to 3,716,818.88, 5,128,588.32 and 2,189,230.16

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Solution

The fourth proportional to 3,716,818.88, 5,128,588.32 and 2,189,230.16 is: 3,020,771.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,716,818.88 : 5,128,588.32 = 2,189,230.16 : x
  2. Step 2: Convert to fraction form
    3,716,818.88/5,128,588.32 = 2,189,230.16/x
  3. Step 3: Cross multiply
    3,716,818.88x = 5,128,588.32 × 2,189,230.16
  4. Step 4: Simplify right side
    3,716,818.88x = 11,227,660,228,367.73
  5. Step 5: Solve for x
    x = 11,227,660,228,367.73/3,716,818.88
  6. Step 6: Final answer
    x = 3,020,771.42

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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.