Home / 1,990,892.14-2,981,688.04-1,830,131.22

Finding the Fourth Proportional to 1,990,892.14, 2,981,688.04 and 1,830,131.22

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Solution

The fourth proportional to 1,990,892.14, 2,981,688.04 and 1,830,131.22 is: 2,740,922.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,990,892.14 : 2,981,688.04 = 1,830,131.22 : x
  2. Step 2: Convert to fraction form
    1,990,892.14/2,981,688.04 = 1,830,131.22/x
  3. Step 3: Cross multiply
    1,990,892.14x = 2,981,688.04 × 1,830,131.22
  4. Step 4: Simplify right side
    1,990,892.14x = 5,456,880,370,304.61
  5. Step 5: Solve for x
    x = 5,456,880,370,304.61/1,990,892.14
  6. Step 6: Final answer
    x = 2,740,922.15

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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.