Home / 3,109,084.07-4,660,088.32-1,891,976.34

Finding the Fourth Proportional to 3,109,084.07, 4,660,088.32 and 1,891,976.34

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Solution

The fourth proportional to 3,109,084.07, 4,660,088.32 and 1,891,976.34 is: 2,835,811.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,109,084.07 : 4,660,088.32 = 1,891,976.34 : x
  2. Step 2: Convert to fraction form
    3,109,084.07/4,660,088.32 = 1,891,976.34/x
  3. Step 3: Cross multiply
    3,109,084.07x = 4,660,088.32 × 1,891,976.34
  4. Step 4: Simplify right side
    3,109,084.07x = 8,816,776,839,020.41
  5. Step 5: Solve for x
    x = 8,816,776,839,020.41/3,109,084.07
  6. Step 6: Final answer
    x = 2,835,811.66

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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.