Home / 5,418,086.40-8,126,870.40-1,823,500.80

Finding the Fourth Proportional to 5,418,086.40, 8,126,870.40 and 1,823,500.80

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Solution

The fourth proportional to 5,418,086.40, 8,126,870.40 and 1,823,500.80 is: 2,735,163.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,418,086.40 : 8,126,870.40 = 1,823,500.80 : x
  2. Step 2: Convert to fraction form
    5,418,086.40/8,126,870.40 = 1,823,500.80/x
  3. Step 3: Cross multiply
    5,418,086.40x = 8,126,870.40 × 1,823,500.80
  4. Step 4: Simplify right side
    5,418,086.40x = 14,819,354,675,896.32
  5. Step 5: Solve for x
    x = 14,819,354,675,896.32/5,418,086.40
  6. Step 6: Final answer
    x = 2,735,163.96

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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.