Home / 3,181,469.55-4,772,139.72-785,334.94

Finding the Fourth Proportional to 3,181,469.55, 4,772,139.72 and 785,334.94

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Solution

The fourth proportional to 3,181,469.55, 4,772,139.72 and 785,334.94 is: 1,177,986.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,181,469.55 : 4,772,139.72 = 785,334.94 : x
  2. Step 2: Convert to fraction form
    3,181,469.55/4,772,139.72 = 785,334.94/x
  3. Step 3: Cross multiply
    3,181,469.55x = 4,772,139.72 × 785,334.94
  4. Step 4: Simplify right side
    3,181,469.55x = 3,747,728,077,063.26
  5. Step 5: Solve for x
    x = 3,747,728,077,063.26/3,181,469.55
  6. Step 6: Final answer
    x = 1,177,986.47

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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.