Home / 5,396,823.88-7,447,636.40-2,949,434.19

Finding the Fourth Proportional to 5,396,823.88, 7,447,636.40 and 2,949,434.19

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Solution

The fourth proportional to 5,396,823.88, 7,447,636.40 and 2,949,434.19 is: 4,070,229.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,396,823.88 : 7,447,636.40 = 2,949,434.19 : x
  2. Step 2: Convert to fraction form
    5,396,823.88/7,447,636.40 = 2,949,434.19/x
  3. Step 3: Cross multiply
    5,396,823.88x = 7,447,636.40 × 2,949,434.19
  4. Step 4: Simplify right side
    5,396,823.88x = 21,966,313,418,101.34
  5. Step 5: Solve for x
    x = 21,966,313,418,101.34/5,396,823.88
  6. Step 6: Final answer
    x = 4,070,229.81

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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.