Home / 3,103,025.20-4,280,391.61-1,939,452.09

Finding the Fourth Proportional to 3,103,025.20, 4,280,391.61 and 1,939,452.09

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Solution

The fourth proportional to 3,103,025.20, 4,280,391.61 and 1,939,452.09 is: 2,675,329.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,103,025.20 : 4,280,391.61 = 1,939,452.09 : x
  2. Step 2: Convert to fraction form
    3,103,025.20/4,280,391.61 = 1,939,452.09/x
  3. Step 3: Cross multiply
    3,103,025.20x = 4,280,391.61 × 1,939,452.09
  4. Step 4: Simplify right side
    3,103,025.20x = 8,301,614,464,733.94
  5. Step 5: Solve for x
    x = 8,301,614,464,733.94/3,103,025.20
  6. Step 6: Final answer
    x = 2,675,329.38

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1.5x scale

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.