Home / 2,159,221.57-3,236,664.79-738,305.89

Finding the Fourth Proportional to 2,159,221.57, 3,236,664.79 and 738,305.89

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Solution

The fourth proportional to 2,159,221.57, 3,236,664.79 and 738,305.89 is: 1,106,717.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,159,221.57 : 3,236,664.79 = 738,305.89 : x
  2. Step 2: Convert to fraction form
    2,159,221.57/3,236,664.79 = 738,305.89/x
  3. Step 3: Cross multiply
    2,159,221.57x = 3,236,664.79 × 738,305.89
  4. Step 4: Simplify right side
    2,159,221.57x = 2,389,648,678,412.61
  5. Step 5: Solve for x
    x = 2,389,648,678,412.61/2,159,221.57
  6. Step 6: Final answer
    x = 1,106,717.68

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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.