Home / 2,172,600.09-2,997,881.53-1,301,230.61

Finding the Fourth Proportional to 2,172,600.09, 2,997,881.53 and 1,301,230.61

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Solution

The fourth proportional to 2,172,600.09, 2,997,881.53 and 1,301,230.61 is: 1,795,514.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,172,600.09 : 2,997,881.53 = 1,301,230.61 : x
  2. Step 2: Convert to fraction form
    2,172,600.09/2,997,881.53 = 1,301,230.61/x
  3. Step 3: Cross multiply
    2,172,600.09x = 2,997,881.53 × 1,301,230.61
  4. Step 4: Simplify right side
    2,172,600.09x = 3,900,935,204,989.20
  5. Step 5: Solve for x
    x = 3,900,935,204,989.20/2,172,600.09
  6. Step 6: Final answer
    x = 1,795,514.61

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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.