Home / 3,387,155.70-4,674,344.39-1,917,064.22

Finding the Fourth Proportional to 3,387,155.70, 4,674,344.39 and 1,917,064.22

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Solution

The fourth proportional to 3,387,155.70, 4,674,344.39 and 1,917,064.22 is: 2,645,587.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,387,155.70 : 4,674,344.39 = 1,917,064.22 : x
  2. Step 2: Convert to fraction form
    3,387,155.70/4,674,344.39 = 1,917,064.22/x
  3. Step 3: Cross multiply
    3,387,155.70x = 4,674,344.39 × 1,917,064.22
  4. Step 4: Simplify right side
    3,387,155.70x = 8,961,018,382,026.73
  5. Step 5: Solve for x
    x = 8,961,018,382,026.73/3,387,155.70
  6. Step 6: Final answer
    x = 2,645,587.97

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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.