Home / 3,155,252.25-4,354,155.77-1,778,676.69

Finding the Fourth Proportional to 3,155,252.25, 4,354,155.77 and 1,778,676.69

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Solution

The fourth proportional to 3,155,252.25, 4,354,155.77 and 1,778,676.69 is: 2,454,521.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,155,252.25 : 4,354,155.77 = 1,778,676.69 : x
  2. Step 2: Convert to fraction form
    3,155,252.25/4,354,155.77 = 1,778,676.69/x
  3. Step 3: Cross multiply
    3,155,252.25x = 4,354,155.77 × 1,778,676.69
  4. Step 4: Simplify right side
    3,155,252.25x = 7,744,635,363,834.62
  5. Step 5: Solve for x
    x = 7,744,635,363,834.62/3,155,252.25
  6. Step 6: Final answer
    x = 2,454,521.78

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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.