Home / 1,969,021.75-2,954,030.78-549,077.98

Finding the Fourth Proportional to 1,969,021.75, 2,954,030.78 and 549,077.98

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Solution

The fourth proportional to 1,969,021.75, 2,954,030.78 and 549,077.98 is: 823,755.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,969,021.75 : 2,954,030.78 = 549,077.98 : x
  2. Step 2: Convert to fraction form
    1,969,021.75/2,954,030.78 = 549,077.98/x
  3. Step 3: Cross multiply
    1,969,021.75x = 2,954,030.78 × 549,077.98
  4. Step 4: Simplify right side
    1,969,021.75x = 1,621,993,253,540.22
  5. Step 5: Solve for x
    x = 1,621,993,253,540.22/1,969,021.75
  6. Step 6: Final answer
    x = 823,755.88

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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.