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Finding the Fourth Proportional to 5,879,221.80, 8,818,832.70 and 2,093,087.40

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Solution

The fourth proportional to 5,879,221.80, 8,818,832.70 and 2,093,087.40 is: 3,139,631.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,879,221.80 : 8,818,832.70 = 2,093,087.40 : x
  2. Step 2: Convert to fraction form
    5,879,221.80/8,818,832.70 = 2,093,087.40/x
  3. Step 3: Cross multiply
    5,879,221.80x = 8,818,832.70 × 2,093,087.40
  4. Step 4: Simplify right side
    5,879,221.80x = 18,458,587,607,077.98
  5. Step 5: Solve for x
    x = 18,458,587,607,077.98/5,879,221.80
  6. Step 6: Final answer
    x = 3,139,631.10

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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.