Home / 6,659,912.48-9,988,741.44-1,866,498.56

Finding the Fourth Proportional to 6,659,912.48, 9,988,741.44 and 1,866,498.56

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Solution

The fourth proportional to 6,659,912.48, 9,988,741.44 and 1,866,498.56 is: 2,799,431.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,659,912.48 : 9,988,741.44 = 1,866,498.56 : x
  2. Step 2: Convert to fraction form
    6,659,912.48/9,988,741.44 = 1,866,498.56/x
  3. Step 3: Cross multiply
    6,659,912.48x = 9,988,741.44 × 1,866,498.56
  4. Step 4: Simplify right side
    6,659,912.48x = 18,643,971,513,972.32
  5. Step 5: Solve for x
    x = 18,643,971,513,972.32/6,659,912.48
  6. Step 6: Final answer
    x = 2,799,431.91

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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.