Home / 1,802,987.15-2,488,045.24-987,176.03

Finding the Fourth Proportional to 1,802,987.15, 2,488,045.24 and 987,176.03

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Solution

The fourth proportional to 1,802,987.15, 2,488,045.24 and 987,176.03 is: 1,362,260.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,802,987.15 : 2,488,045.24 = 987,176.03 : x
  2. Step 2: Convert to fraction form
    1,802,987.15/2,488,045.24 = 987,176.03/x
  3. Step 3: Cross multiply
    1,802,987.15x = 2,488,045.24 × 987,176.03
  4. Step 4: Simplify right side
    1,802,987.15x = 2,456,138,622,483.60
  5. Step 5: Solve for x
    x = 2,456,138,622,483.60/1,802,987.15
  6. Step 6: Final answer
    x = 1,362,260.75

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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.