Home / 5,422,991.46-8,126,077.27-3,142,860.45

Finding the Fourth Proportional to 5,422,991.46, 8,126,077.27 and 3,142,860.45

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Solution

The fourth proportional to 5,422,991.46, 8,126,077.27 and 3,142,860.45 is: 4,709,416.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,422,991.46 : 8,126,077.27 = 3,142,860.45 : x
  2. Step 2: Convert to fraction form
    5,422,991.46/8,126,077.27 = 3,142,860.45/x
  3. Step 3: Cross multiply
    5,422,991.46x = 8,126,077.27 × 3,142,860.45
  4. Step 4: Simplify right side
    5,422,991.46x = 25,539,126,865,526.97
  5. Step 5: Solve for x
    x = 25,539,126,865,526.97/5,422,991.46
  6. Step 6: Final answer
    x = 4,709,416.76

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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.