Home / 1,954,736.80-2,930,722.80-890,288.80

Finding the Fourth Proportional to 1,954,736.80, 2,930,722.80 and 890,288.80

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Solution

The fourth proportional to 1,954,736.80, 2,930,722.80 and 890,288.80 is: 1,334,803.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,954,736.80 : 2,930,722.80 = 890,288.80 : x
  2. Step 2: Convert to fraction form
    1,954,736.80/2,930,722.80 = 890,288.80/x
  3. Step 3: Cross multiply
    1,954,736.80x = 2,930,722.80 × 890,288.80
  4. Step 4: Simplify right side
    1,954,736.80x = 2,609,189,684,744.64
  5. Step 5: Solve for x
    x = 2,609,189,684,744.64/1,954,736.80
  6. Step 6: Final answer
    x = 1,334,803.58

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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.