Home / 2,123,942.87-3,184,001.28-775,159.08

Finding the Fourth Proportional to 2,123,942.87, 3,184,001.28 and 775,159.08

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Solution

The fourth proportional to 2,123,942.87, 3,184,001.28 and 775,159.08 is: 1,162,040.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,123,942.87 : 3,184,001.28 = 775,159.08 : x
  2. Step 2: Convert to fraction form
    2,123,942.87/3,184,001.28 = 775,159.08/x
  3. Step 3: Cross multiply
    2,123,942.87x = 3,184,001.28 × 775,159.08
  4. Step 4: Simplify right side
    2,123,942.87x = 2,468,107,502,923.62
  5. Step 5: Solve for x
    x = 2,468,107,502,923.62/2,123,942.87
  6. Step 6: Final answer
    x = 1,162,040.44

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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.