Home / 3,643,449.74-5,028,403.95-2,115,556.82

Finding the Fourth Proportional to 3,643,449.74, 5,028,403.95 and 2,115,556.82

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Solution

The fourth proportional to 3,643,449.74, 5,028,403.95 and 2,115,556.82 is: 2,919,725.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,643,449.74 : 5,028,403.95 = 2,115,556.82 : x
  2. Step 2: Convert to fraction form
    3,643,449.74/5,028,403.95 = 2,115,556.82/x
  3. Step 3: Cross multiply
    3,643,449.74x = 5,028,403.95 × 2,115,556.82
  4. Step 4: Simplify right side
    3,643,449.74x = 10,637,874,274,775.11
  5. Step 5: Solve for x
    x = 10,637,874,274,775.11/3,643,449.74
  6. Step 6: Final answer
    x = 2,919,725.82

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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.