Home / 2,661,606.80-3,992,993.40-864,184.40

Finding the Fourth Proportional to 2,661,606.80, 3,992,993.40 and 864,184.40

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Solution

The fourth proportional to 2,661,606.80, 3,992,993.40 and 864,184.40 is: 1,296,465.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,661,606.80 : 3,992,993.40 = 864,184.40 : x
  2. Step 2: Convert to fraction form
    2,661,606.80/3,992,993.40 = 864,184.40/x
  3. Step 3: Cross multiply
    2,661,606.80x = 3,992,993.40 × 864,184.40
  4. Step 4: Simplify right side
    2,661,606.80x = 3,450,682,605,582.96
  5. Step 5: Solve for x
    x = 3,450,682,605,582.96/2,661,606.80
  6. Step 6: Final answer
    x = 1,296,465.96

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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.