Home / 3,121,993.41-4,681,993.41-991,579.20

Finding the Fourth Proportional to 3,121,993.41, 4,681,993.41 and 991,579.20

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Solution

The fourth proportional to 3,121,993.41, 4,681,993.41 and 991,579.20 is: 1,487,052.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,121,993.41 : 4,681,993.41 = 991,579.20 : x
  2. Step 2: Convert to fraction form
    3,121,993.41/4,681,993.41 = 991,579.20/x
  3. Step 3: Cross multiply
    3,121,993.41x = 4,681,993.41 × 991,579.20
  4. Step 4: Simplify right side
    3,121,993.41x = 4,642,567,279,893.07
  5. Step 5: Solve for x
    x = 4,642,567,279,893.07/3,121,993.41
  6. Step 6: Final answer
    x = 1,487,052.24

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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.