Home / 1,802,986.15-2,488,043.87-987,175.03

Finding the Fourth Proportional to 1,802,986.15, 2,488,043.87 and 987,175.03

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Solution

The fourth proportional to 1,802,986.15, 2,488,043.87 and 987,175.03 is: 1,362,259.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,802,986.15 : 2,488,043.87 = 987,175.03 : x
  2. Step 2: Convert to fraction form
    1,802,986.15/2,488,043.87 = 987,175.03/x
  3. Step 3: Cross multiply
    1,802,986.15x = 2,488,043.87 × 987,175.03
  4. Step 4: Simplify right side
    1,802,986.15x = 2,456,134,777,072.69
  5. Step 5: Solve for x
    x = 2,456,134,777,072.69/1,802,986.15
  6. Step 6: Final answer
    x = 1,362,259.37

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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.