Home / 1,815,844.47-2,505,768.11-999,888.89

Finding the Fourth Proportional to 1,815,844.47, 2,505,768.11 and 999,888.89

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Solution

The fourth proportional to 1,815,844.47, 2,505,768.11 and 999,888.89 is: 1,379,793.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,815,844.47 : 2,505,768.11 = 999,888.89 : x
  2. Step 2: Convert to fraction form
    1,815,844.47/2,505,768.11 = 999,888.89/x
  3. Step 3: Cross multiply
    1,815,844.47x = 2,505,768.11 × 999,888.89
  4. Step 4: Simplify right side
    1,815,844.47x = 2,505,489,702,869.44
  5. Step 5: Solve for x
    x = 2,505,489,702,869.44/1,815,844.47
  6. Step 6: Final answer
    x = 1,379,793.12

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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.