Home / 6,517,828.80-9,781,408.80-3,674,923.20

Finding the Fourth Proportional to 6,517,828.80, 9,781,408.80 and 3,674,923.20

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Solution

The fourth proportional to 6,517,828.80, 9,781,408.80 and 3,674,923.20 is: 5,515,015.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,517,828.80 : 9,781,408.80 = 3,674,923.20 : x
  2. Step 2: Convert to fraction form
    6,517,828.80/9,781,408.80 = 3,674,923.20/x
  3. Step 3: Cross multiply
    6,517,828.80x = 9,781,408.80 × 3,674,923.20
  4. Step 4: Simplify right side
    6,517,828.80x = 35,945,926,127,804.16
  5. Step 5: Solve for x
    x = 35,945,926,127,804.16/6,517,828.80
  6. Step 6: Final answer
    x = 5,515,015.39

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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.