Home / 2,259,682.72-3,117,603.48-1,279,487.80

Finding the Fourth Proportional to 2,259,682.72, 3,117,603.48 and 1,279,487.80

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Solution

The fourth proportional to 2,259,682.72, 3,117,603.48 and 1,279,487.80 is: 1,765,263.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,259,682.72 : 3,117,603.48 = 1,279,487.80 : x
  2. Step 2: Convert to fraction form
    2,259,682.72/3,117,603.48 = 1,279,487.80/x
  3. Step 3: Cross multiply
    2,259,682.72x = 3,117,603.48 × 1,279,487.80
  4. Step 4: Simplify right side
    2,259,682.72x = 3,988,935,606,657.07
  5. Step 5: Solve for x
    x = 3,988,935,606,657.07/2,259,682.72
  6. Step 6: Final answer
    x = 1,765,263.58

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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.