Home / 1,815,938.00-2,505,808.98-1,118,108.01

Finding the Fourth Proportional to 1,815,938.00, 2,505,808.98 and 1,118,108.01

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Solution

The fourth proportional to 1,815,938.00, 2,505,808.98 and 1,118,108.01 is: 1,542,874.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,815,938.00 : 2,505,808.98 = 1,118,108.01 : x
  2. Step 2: Convert to fraction form
    1,815,938.00/2,505,808.98 = 1,118,108.01/x
  3. Step 3: Cross multiply
    1,815,938.00x = 2,505,808.98 × 1,118,108.01
  4. Step 4: Simplify right side
    1,815,938.00x = 2,801,765,092,067.93
  5. Step 5: Solve for x
    x = 2,801,765,092,067.93/1,815,938.00
  6. Step 6: Final answer
    x = 1,542,874.87

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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.