Home / 3,170,221.31-4,374,913.77-1,719,916.71

Finding the Fourth Proportional to 3,170,221.31, 4,374,913.77 and 1,719,916.71

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Solution

The fourth proportional to 3,170,221.31, 4,374,913.77 and 1,719,916.71 is: 2,373,489.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,170,221.31 : 4,374,913.77 = 1,719,916.71 : x
  2. Step 2: Convert to fraction form
    3,170,221.31/4,374,913.77 = 1,719,916.71/x
  3. Step 3: Cross multiply
    3,170,221.31x = 4,374,913.77 × 1,719,916.71
  4. Step 4: Simplify right side
    3,170,221.31x = 7,524,487,297,832.10
  5. Step 5: Solve for x
    x = 7,524,487,297,832.10/3,170,221.31
  6. Step 6: Final answer
    x = 2,373,489.60

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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.