Home / 2,019,087.78-2,786,343.22-1,159,814.28

Finding the Fourth Proportional to 2,019,087.78, 2,786,343.22 and 1,159,814.28

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Solution

The fourth proportional to 2,019,087.78, 2,786,343.22 and 1,159,814.28 is: 1,600,544.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,019,087.78 : 2,786,343.22 = 1,159,814.28 : x
  2. Step 2: Convert to fraction form
    2,019,087.78/2,786,343.22 = 1,159,814.28/x
  3. Step 3: Cross multiply
    2,019,087.78x = 2,786,343.22 × 1,159,814.28
  4. Step 4: Simplify right side
    2,019,087.78x = 3,231,640,655,537.18
  5. Step 5: Solve for x
    x = 3,231,640,655,537.18/2,019,087.78
  6. Step 6: Final answer
    x = 1,600,544.90

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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.