Home / 3,890,946.05-5,330,571.25-3,745,442.64

Finding the Fourth Proportional to 3,890,946.05, 5,330,571.25 and 3,745,442.64

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Solution

The fourth proportional to 3,890,946.05, 5,330,571.25 and 3,745,442.64 is: 5,131,232.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,890,946.05 : 5,330,571.25 = 3,745,442.64 : x
  2. Step 2: Convert to fraction form
    3,890,946.05/5,330,571.25 = 3,745,442.64/x
  3. Step 3: Cross multiply
    3,890,946.05x = 5,330,571.25 × 3,745,442.64
  4. Step 4: Simplify right side
    3,890,946.05x = 19,965,348,855,308.10
  5. Step 5: Solve for x
    x = 19,965,348,855,308.10/3,890,946.05
  6. Step 6: Final answer
    x = 5,131,232.51

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.