Home / 2,842,500.92-3,923,051.31-1,809,678.78

Finding the Fourth Proportional to 2,842,500.92, 3,923,051.31 and 1,809,678.78

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Solution

The fourth proportional to 2,842,500.92, 3,923,051.31 and 1,809,678.78 is: 2,497,611.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,842,500.92 : 3,923,051.31 = 1,809,678.78 : x
  2. Step 2: Convert to fraction form
    2,842,500.92/3,923,051.31 = 1,809,678.78/x
  3. Step 3: Cross multiply
    2,842,500.92x = 3,923,051.31 × 1,809,678.78
  4. Step 4: Simplify right side
    2,842,500.92x = 7,099,462,708,558.20
  5. Step 5: Solve for x
    x = 7,099,462,708,558.20/2,842,500.92
  6. Step 6: Final answer
    x = 2,497,611.41

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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.