Home / 3,171,193.70-4,376,258.78-1,720,888.76

Finding the Fourth Proportional to 3,171,193.70, 4,376,258.78 and 1,720,888.76

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Solution

The fourth proportional to 3,171,193.70, 4,376,258.78 and 1,720,888.76 is: 2,374,832.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171,193.70 : 4,376,258.78 = 1,720,888.76 : x
  2. Step 2: Convert to fraction form
    3,171,193.70/4,376,258.78 = 1,720,888.76/x
  3. Step 3: Cross multiply
    3,171,193.70x = 4,376,258.78 × 1,720,888.76
  4. Step 4: Simplify right side
    3,171,193.70x = 7,531,054,514,867.58
  5. Step 5: Solve for x
    x = 7,531,054,514,867.58/3,171,193.70
  6. Step 6: Final answer
    x = 2,374,832.71

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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.