Home / 2,188,890.60-3,278,087.10-1,768,986.60

Finding the Fourth Proportional to 2,188,890.60, 3,278,087.10 and 1,768,986.60

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Solution

The fourth proportional to 2,188,890.60, 3,278,087.10 and 1,768,986.60 is: 2,649,238.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,188,890.60 : 3,278,087.10 = 1,768,986.60 : x
  2. Step 2: Convert to fraction form
    2,188,890.60/3,278,087.10 = 1,768,986.60/x
  3. Step 3: Cross multiply
    2,188,890.60x = 3,278,087.10 × 1,768,986.60
  4. Step 4: Simplify right side
    2,188,890.60x = 5,798,892,153,532.86
  5. Step 5: Solve for x
    x = 5,798,892,153,532.86/2,188,890.60
  6. Step 6: Final answer
    x = 2,649,238.00

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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.