Home / 4,221,678-6,332,517-1,857,774

Finding the Fourth Proportional to 4,221,678, 6,332,517 and 1,857,774

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Solution

The fourth proportional to 4,221,678, 6,332,517 and 1,857,774 is: 2,786,661

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,221,678 : 6,332,517 = 1,857,774 : x
  2. Step 2: Convert to fraction form
    4,221,678/6,332,517 = 1,857,774/x
  3. Step 3: Cross multiply
    4,221,678x = 6,332,517 × 1,857,774
  4. Step 4: Simplify right side
    4,221,678x = 11,764,385,437,158
  5. Step 5: Solve for x
    x = 11,764,385,437,158/4,221,678
  6. Step 6: Final answer
    x = 2,786,661

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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.