Home / 3,908,287.56-5,862,987.80-1,212,845.68

Finding the Fourth Proportional to 3,908,287.56, 5,862,987.80 and 1,212,845.68

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Solution

The fourth proportional to 3,908,287.56, 5,862,987.80 and 1,212,845.68 is: 1,819,441.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,908,287.56 : 5,862,987.80 = 1,212,845.68 : x
  2. Step 2: Convert to fraction form
    3,908,287.56/5,862,987.80 = 1,212,845.68/x
  3. Step 3: Cross multiply
    3,908,287.56x = 5,862,987.80 × 1,212,845.68
  4. Step 4: Simplify right side
    3,908,287.56x = 7,110,899,425,122.70
  5. Step 5: Solve for x
    x = 7,110,899,425,122.70/3,908,287.56
  6. Step 6: Final answer
    x = 1,819,441.20

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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.