Home / 1,980,431.82-2,733,039.36-1,206,098.96

Finding the Fourth Proportional to 1,980,431.82, 2,733,039.36 and 1,206,098.96

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Solution

The fourth proportional to 1,980,431.82, 2,733,039.36 and 1,206,098.96 is: 1,664,443.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,980,431.82 : 2,733,039.36 = 1,206,098.96 : x
  2. Step 2: Convert to fraction form
    1,980,431.82/2,733,039.36 = 1,206,098.96/x
  3. Step 3: Cross multiply
    1,980,431.82x = 2,733,039.36 × 1,206,098.96
  4. Step 4: Simplify right side
    1,980,431.82x = 3,296,315,916,069.87
  5. Step 5: Solve for x
    x = 3,296,315,916,069.87/1,980,431.82
  6. Step 6: Final answer
    x = 1,664,443.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.