Home / 3,103,025.82-4,280,392.48-1,939,452.72

Finding the Fourth Proportional to 3,103,025.82, 4,280,392.48 and 1,939,452.72

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Solution

The fourth proportional to 3,103,025.82, 4,280,392.48 and 1,939,452.72 is: 2,675,330.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,103,025.82 : 4,280,392.48 = 1,939,452.72 : x
  2. Step 2: Convert to fraction form
    3,103,025.82/4,280,392.48 = 1,939,452.72/x
  3. Step 3: Cross multiply
    3,103,025.82x = 4,280,392.48 × 1,939,452.72
  4. Step 4: Simplify right side
    3,103,025.82x = 8,301,618,828,306.28
  5. Step 5: Solve for x
    x = 8,301,618,828,306.28/3,103,025.82
  6. Step 6: Final answer
    x = 2,675,330.25

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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.