Home / 3,135,920.20-4,706,645.10-2,688,022.60

Finding the Fourth Proportional to 3,135,920.20, 4,706,645.10 and 2,688,022.60

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Solution

The fourth proportional to 3,135,920.20, 4,706,645.10 and 2,688,022.60 is: 4,034,403.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,135,920.20 : 4,706,645.10 = 2,688,022.60 : x
  2. Step 2: Convert to fraction form
    3,135,920.20/4,706,645.10 = 2,688,022.60/x
  3. Step 3: Cross multiply
    3,135,920.20x = 4,706,645.10 × 2,688,022.60
  4. Step 4: Simplify right side
    3,135,920.20x = 12,651,568,398,979.26
  5. Step 5: Solve for x
    x = 12,651,568,398,979.26/3,135,920.20
  6. Step 6: Final answer
    x = 4,034,403.81

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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.