Home / 3,974,481.60-5,958,806.40-1,577,140.80

Finding the Fourth Proportional to 3,974,481.60, 5,958,806.40 and 1,577,140.80

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Solution

The fourth proportional to 3,974,481.60, 5,958,806.40 and 1,577,140.80 is: 2,364,554.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,974,481.60 : 5,958,806.40 = 1,577,140.80 : x
  2. Step 2: Convert to fraction form
    3,974,481.60/5,958,806.40 = 1,577,140.80/x
  3. Step 3: Cross multiply
    3,974,481.60x = 5,958,806.40 × 1,577,140.80
  4. Step 4: Simplify right side
    3,974,481.60x = 9,397,876,692,741.12
  5. Step 5: Solve for x
    x = 9,397,876,692,741.12/3,974,481.60
  6. Step 6: Final answer
    x = 2,364,554.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.