Home / 2,651,909.96-3,978,121.36-1,054,114.50

Finding the Fourth Proportional to 2,651,909.96, 3,978,121.36 and 1,054,114.50

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Solution

The fourth proportional to 2,651,909.96, 3,978,121.36 and 1,054,114.50 is: 1,581,273.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,651,909.96 : 3,978,121.36 = 1,054,114.50 : x
  2. Step 2: Convert to fraction form
    2,651,909.96/3,978,121.36 = 1,054,114.50/x
  3. Step 3: Cross multiply
    2,651,909.96x = 3,978,121.36 × 1,054,114.50
  4. Step 4: Simplify right side
    2,651,909.96x = 4,193,395,408,335.72
  5. Step 5: Solve for x
    x = 4,193,395,408,335.72/2,651,909.96
  6. Step 6: Final answer
    x = 1,581,273.68

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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.