Home / 4,940,828.51-6,812,928.92-3,218,755.55

Finding the Fourth Proportional to 4,940,828.51, 6,812,928.92 and 3,218,755.55

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Solution

The fourth proportional to 4,940,828.51, 6,812,928.92 and 3,218,755.55 is: 4,438,355.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,940,828.51 : 6,812,928.92 = 3,218,755.55 : x
  2. Step 2: Convert to fraction form
    4,940,828.51/6,812,928.92 = 3,218,755.55/x
  3. Step 3: Cross multiply
    4,940,828.51x = 6,812,928.92 × 3,218,755.55
  4. Step 4: Simplify right side
    4,940,828.51x = 21,929,152,756,911.73
  5. Step 5: Solve for x
    x = 21,929,152,756,911.73/4,940,828.51
  6. Step 6: Final answer
    x = 4,438,355.37

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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.