Home / 2,188,897.60-3,283,346.40-768,805.60

Finding the Fourth Proportional to 2,188,897.60, 3,283,346.40 and 768,805.60

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Solution

The fourth proportional to 2,188,897.60, 3,283,346.40 and 768,805.60 is: 1,153,208.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,188,897.60 : 3,283,346.40 = 768,805.60 : x
  2. Step 2: Convert to fraction form
    2,188,897.60/3,283,346.40 = 768,805.60/x
  3. Step 3: Cross multiply
    2,188,897.60x = 3,283,346.40 × 768,805.60
  4. Step 4: Simplify right side
    2,188,897.60x = 2,524,255,099,059.84
  5. Step 5: Solve for x
    x = 2,524,255,099,059.84/2,188,897.60
  6. Step 6: Final answer
    x = 1,153,208.40

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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.