Home / 2,172,523.67-2,997,389.07-1,254,631.57

Finding the Fourth Proportional to 2,172,523.67, 2,997,389.07 and 1,254,631.57

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Solution

The fourth proportional to 2,172,523.67, 2,997,389.07 and 1,254,631.57 is: 1,730,991.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,172,523.67 : 2,997,389.07 = 1,254,631.57 : x
  2. Step 2: Convert to fraction form
    2,172,523.67/2,997,389.07 = 1,254,631.57/x
  3. Step 3: Cross multiply
    2,172,523.67x = 2,997,389.07 × 1,254,631.57
  4. Step 4: Simplify right side
    2,172,523.67x = 3,760,618,954,794.94
  5. Step 5: Solve for x
    x = 3,760,618,954,794.94/2,172,523.67
  6. Step 6: Final answer
    x = 1,730,991.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.