Home / 2,942,140.23-4,413,464.28-812,224.58

Finding the Fourth Proportional to 2,942,140.23, 4,413,464.28 and 812,224.58

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Solution

The fourth proportional to 2,942,140.23, 4,413,464.28 and 812,224.58 is: 1,218,406.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,942,140.23 : 4,413,464.28 = 812,224.58 : x
  2. Step 2: Convert to fraction form
    2,942,140.23/4,413,464.28 = 812,224.58/x
  3. Step 3: Cross multiply
    2,942,140.23x = 4,413,464.28 × 812,224.58
  4. Step 4: Simplify right side
    2,942,140.23x = 3,584,724,149,100.68
  5. Step 5: Solve for x
    x = 3,584,724,149,100.68/2,942,140.23
  6. Step 6: Final answer
    x = 1,218,406.97

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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.