Home / 3,292,178.68-4,928,429.18-1,991,394.50

Finding the Fourth Proportional to 3,292,178.68, 4,928,429.18 and 1,991,394.50

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Solution

The fourth proportional to 3,292,178.68, 4,928,429.18 and 1,991,394.50 is: 2,981,140.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,292,178.68 : 4,928,429.18 = 1,991,394.50 : x
  2. Step 2: Convert to fraction form
    3,292,178.68/4,928,429.18 = 1,991,394.50/x
  3. Step 3: Cross multiply
    3,292,178.68x = 4,928,429.18 × 1,991,394.50
  4. Step 4: Simplify right side
    3,292,178.68x = 9,814,446,762,691.51
  5. Step 5: Solve for x
    x = 9,814,446,762,691.51/3,292,178.68
  6. Step 6: Final answer
    x = 2,981,140.37

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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.