Home / 2,087,135.48-3,131,301-1,022,489.30

Finding the Fourth Proportional to 2,087,135.48, 3,131,301 and 1,022,489.30

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Solution

The fourth proportional to 2,087,135.48, 3,131,301 and 1,022,489.30 is: 1,534,026.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,087,135.48 : 3,131,301 = 1,022,489.30 : x
  2. Step 2: Convert to fraction form
    2,087,135.48/3,131,301 = 1,022,489.30/x
  3. Step 3: Cross multiply
    2,087,135.48x = 3,131,301 × 1,022,489.30
  4. Step 4: Simplify right side
    2,087,135.48x = 3,201,721,767,579.30
  5. Step 5: Solve for x
    x = 3,201,721,767,579.30/2,087,135.48
  6. Step 6: Final answer
    x = 1,534,026.80

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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.