Home / 2,561,224.86-3,841,698.78-1,299,019.68

Finding the Fourth Proportional to 2,561,224.86, 3,841,698.78 and 1,299,019.68

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Solution

The fourth proportional to 2,561,224.86, 3,841,698.78 and 1,299,019.68 is: 1,948,459.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,561,224.86 : 3,841,698.78 = 1,299,019.68 : x
  2. Step 2: Convert to fraction form
    2,561,224.86/3,841,698.78 = 1,299,019.68/x
  3. Step 3: Cross multiply
    2,561,224.86x = 3,841,698.78 × 1,299,019.68
  4. Step 4: Simplify right side
    2,561,224.86x = 4,990,442,319,851.99
  5. Step 5: Solve for x
    x = 4,990,442,319,851.99/2,561,224.86
  6. Step 6: Final answer
    x = 1,948,459.27

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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.