Home / 1,961,139.41-2,940,024.33-681,580.66

Finding the Fourth Proportional to 1,961,139.41, 2,940,024.33 and 681,580.66

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Solution

The fourth proportional to 1,961,139.41, 2,940,024.33 and 681,580.66 is: 1,021,785.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,961,139.41 : 2,940,024.33 = 681,580.66 : x
  2. Step 2: Convert to fraction form
    1,961,139.41/2,940,024.33 = 681,580.66/x
  3. Step 3: Cross multiply
    1,961,139.41x = 2,940,024.33 × 681,580.66
  4. Step 4: Simplify right side
    1,961,139.41x = 2,003,863,708,557.34
  5. Step 5: Solve for x
    x = 2,003,863,708,557.34/1,961,139.41
  6. Step 6: Final answer
    x = 1,021,785.45

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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.