Home / 4,187,643.72-5,777,476.62-2,738,187.60

Finding the Fourth Proportional to 4,187,643.72, 5,777,476.62 and 2,738,187.60

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Solution

The fourth proportional to 4,187,643.72, 5,777,476.62 and 2,738,187.60 is: 3,777,736.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,187,643.72 : 5,777,476.62 = 2,738,187.60 : x
  2. Step 2: Convert to fraction form
    4,187,643.72/5,777,476.62 = 2,738,187.60/x
  3. Step 3: Cross multiply
    4,187,643.72x = 5,777,476.62 × 2,738,187.60
  4. Step 4: Simplify right side
    4,187,643.72x = 15,819,814,840,173.91
  5. Step 5: Solve for x
    x = 15,819,814,840,173.91/4,187,643.72
  6. Step 6: Final answer
    x = 3,777,736.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.