Home / 3,448,172.28-4,758,137.08-1,920,421.56

Finding the Fourth Proportional to 3,448,172.28, 4,758,137.08 and 1,920,421.56

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Solution

The fourth proportional to 3,448,172.28, 4,758,137.08 and 1,920,421.56 is: 2,649,992.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,448,172.28 : 4,758,137.08 = 1,920,421.56 : x
  2. Step 2: Convert to fraction form
    3,448,172.28/4,758,137.08 = 1,920,421.56/x
  3. Step 3: Cross multiply
    3,448,172.28x = 4,758,137.08 × 1,920,421.56
  4. Step 4: Simplify right side
    3,448,172.28x = 9,137,629,033,867.45
  5. Step 5: Solve for x
    x = 9,137,629,033,867.45/3,448,172.28
  6. Step 6: Final answer
    x = 2,649,992.02

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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.