Home / 2,388,188.48-3,578,968.50-1,088,163.78

Finding the Fourth Proportional to 2,388,188.48, 3,578,968.50 and 1,088,163.78

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Solution

The fourth proportional to 2,388,188.48, 3,578,968.50 and 1,088,163.78 is: 1,630,735.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,388,188.48 : 3,578,968.50 = 1,088,163.78 : x
  2. Step 2: Convert to fraction form
    2,388,188.48/3,578,968.50 = 1,088,163.78/x
  3. Step 3: Cross multiply
    2,388,188.48x = 3,578,968.50 × 1,088,163.78
  4. Step 4: Simplify right side
    2,388,188.48x = 3,894,503,891,460.93
  5. Step 5: Solve for x
    x = 3,894,503,891,460.93/2,388,188.48
  6. Step 6: Final answer
    x = 1,630,735.57

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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.