Home / 2,148,159.45-3,220,429.44-932,821.68

Finding the Fourth Proportional to 2,148,159.45, 3,220,429.44 and 932,821.68

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Solution

The fourth proportional to 2,148,159.45, 3,220,429.44 and 932,821.68 is: 1,398,446.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,148,159.45 : 3,220,429.44 = 932,821.68 : x
  2. Step 2: Convert to fraction form
    2,148,159.45/3,220,429.44 = 932,821.68/x
  3. Step 3: Cross multiply
    2,148,159.45x = 3,220,429.44 × 932,821.68
  4. Step 4: Simplify right side
    2,148,159.45x = 3,004,086,410,869.83
  5. Step 5: Solve for x
    x = 3,004,086,410,869.83/2,148,159.45
  6. Step 6: Final answer
    x = 1,398,446.66

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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.