Home / 3,468,040.92-4,785,788.34-1,919,209.38

Finding the Fourth Proportional to 3,468,040.92, 4,785,788.34 and 1,919,209.38

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Solution

The fourth proportional to 3,468,040.92, 4,785,788.34 and 1,919,209.38 is: 2,648,449.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,468,040.92 : 4,785,788.34 = 1,919,209.38 : x
  2. Step 2: Convert to fraction form
    3,468,040.92/4,785,788.34 = 1,919,209.38/x
  3. Step 3: Cross multiply
    3,468,040.92x = 4,785,788.34 × 1,919,209.38
  4. Step 4: Simplify right side
    3,468,040.92x = 9,184,929,872,822.63
  5. Step 5: Solve for x
    x = 9,184,929,872,822.63/3,468,040.92
  6. Step 6: Final answer
    x = 2,648,449.11

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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.