Home / 5,055,349.92-6,976,429.32-2,879,860.83

Finding the Fourth Proportional to 5,055,349.92, 6,976,429.32 and 2,879,860.83

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Solution

The fourth proportional to 5,055,349.92, 6,976,429.32 and 2,879,860.83 is: 3,974,234.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,055,349.92 : 6,976,429.32 = 2,879,860.83 : x
  2. Step 2: Convert to fraction form
    5,055,349.92/6,976,429.32 = 2,879,860.83/x
  3. Step 3: Cross multiply
    5,055,349.92x = 6,976,429.32 × 2,879,860.83
  4. Step 4: Simplify right side
    5,055,349.92x = 20,091,145,531,931.54
  5. Step 5: Solve for x
    x = 20,091,145,531,931.54/5,055,349.92
  6. Step 6: Final answer
    x = 3,974,234.40

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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.