Home / 1,890,407-2,608,313.26-1,074,546.46

Finding the Fourth Proportional to 1,890,407, 2,608,313.26 and 1,074,546.46

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Solution

The fourth proportional to 1,890,407, 2,608,313.26 and 1,074,546.46 is: 1,482,619.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,890,407 : 2,608,313.26 = 1,074,546.46 : x
  2. Step 2: Convert to fraction form
    1,890,407/2,608,313.26 = 1,074,546.46/x
  3. Step 3: Cross multiply
    1,890,407x = 2,608,313.26 × 1,074,546.46
  4. Step 4: Simplify right side
    1,890,407x = 2,802,753,780,104.06
  5. Step 5: Solve for x
    x = 2,802,753,780,104.06/1,890,407
  6. Step 6: Final answer
    x = 1,482,619.23

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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.