Home / 3,938,101.20-5,907,151.80-2,662,642.80

Finding the Fourth Proportional to 3,938,101.20, 5,907,151.80 and 2,662,642.80

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Solution

The fourth proportional to 3,938,101.20, 5,907,151.80 and 2,662,642.80 is: 3,993,964.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,938,101.20 : 5,907,151.80 = 2,662,642.80 : x
  2. Step 2: Convert to fraction form
    3,938,101.20/5,907,151.80 = 2,662,642.80/x
  3. Step 3: Cross multiply
    3,938,101.20x = 5,907,151.80 × 2,662,642.80
  4. Step 4: Simplify right side
    3,938,101.20x = 15,728,635,208,777.04
  5. Step 5: Solve for x
    x = 15,728,635,208,777.04/3,938,101.20
  6. Step 6: Final answer
    x = 3,993,964.20

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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.