Home / 4,879,121.54-6,733,005.78-2,814,221.78

Finding the Fourth Proportional to 4,879,121.54, 6,733,005.78 and 2,814,221.78

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Solution

The fourth proportional to 4,879,121.54, 6,733,005.78 and 2,814,221.78 is: 3,883,521.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,879,121.54 : 6,733,005.78 = 2,814,221.78 : x
  2. Step 2: Convert to fraction form
    4,879,121.54/6,733,005.78 = 2,814,221.78/x
  3. Step 3: Cross multiply
    4,879,121.54x = 6,733,005.78 × 2,814,221.78
  4. Step 4: Simplify right side
    4,879,121.54x = 18,948,171,510,941.89
  5. Step 5: Solve for x
    x = 18,948,171,510,941.89/4,879,121.54
  6. Step 6: Final answer
    x = 3,883,521.11

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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.