Home / 2,172,972.30-3,257,125.65-824,613.90

Finding the Fourth Proportional to 2,172,972.30, 3,257,125.65 and 824,613.90

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Solution

The fourth proportional to 2,172,972.30, 3,257,125.65 and 824,613.90 is: 1,236,035.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,172,972.30 : 3,257,125.65 = 824,613.90 : x
  2. Step 2: Convert to fraction form
    2,172,972.30/3,257,125.65 = 824,613.90/x
  3. Step 3: Cross multiply
    2,172,972.30x = 3,257,125.65 × 824,613.90
  4. Step 4: Simplify right side
    2,172,972.30x = 2,685,871,085,036.54
  5. Step 5: Solve for x
    x = 2,685,871,085,036.54/2,172,972.30
  6. Step 6: Final answer
    x = 1,236,035.58

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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.