Home / 5,421,078.90-7,479,834.30-3,244,795.20

Finding the Fourth Proportional to 5,421,078.90, 7,479,834.30 and 3,244,795.20

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Solution

The fourth proportional to 5,421,078.90, 7,479,834.30 and 3,244,795.20 is: 4,477,066.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,421,078.90 : 7,479,834.30 = 3,244,795.20 : x
  2. Step 2: Convert to fraction form
    5,421,078.90/7,479,834.30 = 3,244,795.20/x
  3. Step 3: Cross multiply
    5,421,078.90x = 7,479,834.30 × 3,244,795.20
  4. Step 4: Simplify right side
    5,421,078.90x = 24,270,530,433,435.36
  5. Step 5: Solve for x
    x = 24,270,530,433,435.36/5,421,078.90
  6. Step 6: Final answer
    x = 4,477,066.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.