Home / 2,018,404.75-3,027,607.13-820,978.51

Finding the Fourth Proportional to 2,018,404.75, 3,027,607.13 and 820,978.51

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Solution

The fourth proportional to 2,018,404.75, 3,027,607.13 and 820,978.51 is: 1,231,467.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,018,404.75 : 3,027,607.13 = 820,978.51 : x
  2. Step 2: Convert to fraction form
    2,018,404.75/3,027,607.13 = 820,978.51/x
  3. Step 3: Cross multiply
    2,018,404.75x = 3,027,607.13 × 820,978.51
  4. Step 4: Simplify right side
    2,018,404.75x = 2,485,600,390,452.78
  5. Step 5: Solve for x
    x = 2,485,600,390,452.78/2,018,404.75
  6. Step 6: Final answer
    x = 1,231,467.77

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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.