Home / 5,390,731.22-7,436,523.49-3,213,740.38

Finding the Fourth Proportional to 5,390,731.22, 7,436,523.49 and 3,213,740.38

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Solution

The fourth proportional to 5,390,731.22, 7,436,523.49 and 3,213,740.38 is: 4,433,360.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,390,731.22 : 7,436,523.49 = 3,213,740.38 : x
  2. Step 2: Convert to fraction form
    5,390,731.22/7,436,523.49 = 3,213,740.38/x
  3. Step 3: Cross multiply
    5,390,731.22x = 7,436,523.49 × 3,213,740.38
  4. Step 4: Simplify right side
    5,390,731.22x = 23,899,055,826,631.53
  5. Step 5: Solve for x
    x = 23,899,055,826,631.53/5,390,731.22
  6. Step 6: Final answer
    x = 4,433,360.68

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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.