Home / 3,209,424.07-4,814,416.31-813,268.78

Finding the Fourth Proportional to 3,209,424.07, 4,814,416.31 and 813,268.78

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Solution

The fourth proportional to 3,209,424.07, 4,814,416.31 and 813,268.78 is: 1,219,974.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,209,424.07 : 4,814,416.31 = 813,268.78 : x
  2. Step 2: Convert to fraction form
    3,209,424.07/4,814,416.31 = 813,268.78/x
  3. Step 3: Cross multiply
    3,209,424.07x = 4,814,416.31 × 813,268.78
  4. Step 4: Simplify right side
    3,209,424.07x = 3,915,414,484,197.94
  5. Step 5: Solve for x
    x = 3,915,414,484,197.94/3,209,424.07
  6. Step 6: Final answer
    x = 1,219,974.18

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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.