Home / 3,478,980.80-4,801,028.28-1,951,055.12

Finding the Fourth Proportional to 3,478,980.80, 4,801,028.28 and 1,951,055.12

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Solution

The fourth proportional to 3,478,980.80, 4,801,028.28 and 1,951,055.12 is: 2,692,475.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,478,980.80 : 4,801,028.28 = 1,951,055.12 : x
  2. Step 2: Convert to fraction form
    3,478,980.80/4,801,028.28 = 1,951,055.12/x
  3. Step 3: Cross multiply
    3,478,980.80x = 4,801,028.28 × 1,951,055.12
  4. Step 4: Simplify right side
    3,478,980.80x = 9,367,070,806,958.80
  5. Step 5: Solve for x
    x = 9,367,070,806,958.80/3,478,980.80
  6. Step 6: Final answer
    x = 2,692,475.57

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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.