Home / 2,661,564.24-3,993,490.08-864,998.40

Finding the Fourth Proportional to 2,661,564.24, 3,993,490.08 and 864,998.40

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Solution

The fourth proportional to 2,661,564.24, 3,993,490.08 and 864,998.40 is: 1,297,869.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,661,564.24 : 3,993,490.08 = 864,998.40 : x
  2. Step 2: Convert to fraction form
    2,661,564.24/3,993,490.08 = 864,998.40/x
  3. Step 3: Cross multiply
    2,661,564.24x = 3,993,490.08 × 864,998.40
  4. Step 4: Simplify right side
    2,661,564.24x = 3,454,362,529,615.87
  5. Step 5: Solve for x
    x = 3,454,362,529,615.87/2,661,564.24
  6. Step 6: Final answer
    x = 1,297,869.30

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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.