Home / 4,992,708.29-6,889,870.45-2,787,604.98

Finding the Fourth Proportional to 4,992,708.29, 6,889,870.45 and 2,787,604.98

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Solution

The fourth proportional to 4,992,708.29, 6,889,870.45 and 2,787,604.98 is: 3,846,857.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,992,708.29 : 6,889,870.45 = 2,787,604.98 : x
  2. Step 2: Convert to fraction form
    4,992,708.29/6,889,870.45 = 2,787,604.98/x
  3. Step 3: Cross multiply
    4,992,708.29x = 6,889,870.45 × 2,787,604.98
  4. Step 4: Simplify right side
    4,992,708.29x = 19,206,237,177,974.84
  5. Step 5: Solve for x
    x = 19,206,237,177,974.84/4,992,708.29
  6. Step 6: Final answer
    x = 3,846,857.47

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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.