Home / 3,663,948.54-5,056,151.43-2,115,157.95

Finding the Fourth Proportional to 3,663,948.54, 5,056,151.43 and 2,115,157.95

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Solution

The fourth proportional to 3,663,948.54, 5,056,151.43 and 2,115,157.95 is: 2,918,861.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,663,948.54 : 5,056,151.43 = 2,115,157.95 : x
  2. Step 2: Convert to fraction form
    3,663,948.54/5,056,151.43 = 2,115,157.95/x
  3. Step 3: Cross multiply
    3,663,948.54x = 5,056,151.43 × 2,115,157.95
  4. Step 4: Simplify right side
    3,663,948.54x = 10,694,558,893,568.37
  5. Step 5: Solve for x
    x = 10,694,558,893,568.37/3,663,948.54
  6. Step 6: Final answer
    x = 2,918,861.65

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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.