Home / 3,880,472.97-5,355,218.39-2,161,594.65

Finding the Fourth Proportional to 3,880,472.97, 5,355,218.39 and 2,161,594.65

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Solution

The fourth proportional to 3,880,472.97, 5,355,218.39 and 2,161,594.65 is: 2,983,092.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,880,472.97 : 5,355,218.39 = 2,161,594.65 : x
  2. Step 2: Convert to fraction form
    3,880,472.97/5,355,218.39 = 2,161,594.65/x
  3. Step 3: Cross multiply
    3,880,472.97x = 5,355,218.39 × 2,161,594.65
  4. Step 4: Simplify right side
    3,880,472.97x = 11,575,811,421,405.61
  5. Step 5: Solve for x
    x = 11,575,811,421,405.61/3,880,472.97
  6. Step 6: Final answer
    x = 2,983,092.91

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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.