Home / 2,603,910.78-3,905,671.77-806,808.06

Finding the Fourth Proportional to 2,603,910.78, 3,905,671.77 and 806,808.06

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Solution

The fourth proportional to 2,603,910.78, 3,905,671.77 and 806,808.06 is: 1,210,151.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,603,910.78 : 3,905,671.77 = 806,808.06 : x
  2. Step 2: Convert to fraction form
    2,603,910.78/3,905,671.77 = 806,808.06/x
  3. Step 3: Cross multiply
    2,603,910.78x = 3,905,671.77 × 806,808.06
  4. Step 4: Simplify right side
    2,603,910.78x = 3,151,127,463,750.47
  5. Step 5: Solve for x
    x = 3,151,127,463,750.47/2,603,910.78
  6. Step 6: Final answer
    x = 1,210,151.86

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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.