Home / 2,799,116.85-4,198,444.19-777,408.33

Finding the Fourth Proportional to 2,799,116.85, 4,198,444.19 and 777,408.33

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Solution

The fourth proportional to 2,799,116.85, 4,198,444.19 and 777,408.33 is: 1,166,048.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,799,116.85 : 4,198,444.19 = 777,408.33 : x
  2. Step 2: Convert to fraction form
    2,799,116.85/4,198,444.19 = 777,408.33/x
  3. Step 3: Cross multiply
    2,799,116.85x = 4,198,444.19 × 777,408.33
  4. Step 4: Simplify right side
    2,799,116.85x = 3,263,905,505,491.43
  5. Step 5: Solve for x
    x = 3,263,905,505,491.43/2,799,116.85
  6. Step 6: Final answer
    x = 1,166,048.32

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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.