Home / 5,390,729.22-7,436,520.72-3,213,738.39

Finding the Fourth Proportional to 5,390,729.22, 7,436,520.72 and 3,213,738.39

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Solution

The fourth proportional to 5,390,729.22, 7,436,520.72 and 3,213,738.39 is: 4,433,357.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,390,729.22 : 7,436,520.72 = 3,213,738.39 : x
  2. Step 2: Convert to fraction form
    5,390,729.22/7,436,520.72 = 3,213,738.39/x
  3. Step 3: Cross multiply
    5,390,729.22x = 7,436,520.72 × 3,213,738.39
  4. Step 4: Simplify right side
    5,390,729.22x = 23,899,032,125,894.44
  5. Step 5: Solve for x
    x = 23,899,032,125,894.44/5,390,729.22
  6. Step 6: Final answer
    x = 4,433,357.93

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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.