Home / 3,950,100-5,451,138-2,139,264

Finding the Fourth Proportional to 3,950,100, 5,451,138 and 2,139,264

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Solution

The fourth proportional to 3,950,100, 5,451,138 and 2,139,264 is: 2,952,184.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,950,100 : 5,451,138 = 2,139,264 : x
  2. Step 2: Convert to fraction form
    3,950,100/5,451,138 = 2,139,264/x
  3. Step 3: Cross multiply
    3,950,100x = 5,451,138 × 2,139,264
  4. Step 4: Simplify right side
    3,950,100x = 11,661,423,282,432
  5. Step 5: Solve for x
    x = 11,661,423,282,432/3,950,100
  6. Step 6: Final answer
    x = 2,952,184.32

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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.