Home / 5,557,891.20-8,334,763.20-2,191,401.60

Finding the Fourth Proportional to 5,557,891.20, 8,334,763.20 and 2,191,401.60

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Solution

The fourth proportional to 5,557,891.20, 8,334,763.20 and 2,191,401.60 is: 3,286,284.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,557,891.20 : 8,334,763.20 = 2,191,401.60 : x
  2. Step 2: Convert to fraction form
    5,557,891.20/8,334,763.20 = 2,191,401.60/x
  3. Step 3: Cross multiply
    5,557,891.20x = 8,334,763.20 × 2,191,401.60
  4. Step 4: Simplify right side
    5,557,891.20x = 18,264,813,412,101.12
  5. Step 5: Solve for x
    x = 18,264,813,412,101.12/5,557,891.20
  6. Step 6: Final answer
    x = 3,286,284.81

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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.