Home / 3,121,887.22-4,681,834.22-991,473.01

Finding the Fourth Proportional to 3,121,887.22, 4,681,834.22 and 991,473.01

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Solution

The fourth proportional to 3,121,887.22, 4,681,834.22 and 991,473.01 is: 1,486,893.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,121,887.22 : 4,681,834.22 = 991,473.01 : x
  2. Step 2: Convert to fraction form
    3,121,887.22/4,681,834.22 = 991,473.01/x
  3. Step 3: Cross multiply
    3,121,887.22x = 4,681,834.22 × 991,473.01
  4. Step 4: Simplify right side
    3,121,887.22x = 4,641,912,257,198.50
  5. Step 5: Solve for x
    x = 4,641,912,257,198.50/3,121,887.22
  6. Step 6: Final answer
    x = 1,486,893.00

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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.