Home / 2,590,940.80-3,885,244.80-992,972.80

Finding the Fourth Proportional to 2,590,940.80, 3,885,244.80 and 992,972.80

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Solution

The fourth proportional to 2,590,940.80, 3,885,244.80 and 992,972.80 is: 1,489,012.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,590,940.80 : 3,885,244.80 = 992,972.80 : x
  2. Step 2: Convert to fraction form
    2,590,940.80/3,885,244.80 = 992,972.80/x
  3. Step 3: Cross multiply
    2,590,940.80x = 3,885,244.80 × 992,972.80
  4. Step 4: Simplify right side
    2,590,940.80x = 3,857,942,407,741.44
  5. Step 5: Solve for x
    x = 3,857,942,407,741.44/2,590,940.80
  6. Step 6: Final answer
    x = 1,489,012.18

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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.