Home / 5,905,856.80-8,858,785.20-3,992,669.20

Finding the Fourth Proportional to 5,905,856.80, 8,858,785.20 and 3,992,669.20

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Solution

The fourth proportional to 5,905,856.80, 8,858,785.20 and 3,992,669.20 is: 5,989,003.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,905,856.80 : 8,858,785.20 = 3,992,669.20 : x
  2. Step 2: Convert to fraction form
    5,905,856.80/8,858,785.20 = 3,992,669.20/x
  3. Step 3: Cross multiply
    5,905,856.80x = 8,858,785.20 × 3,992,669.20
  4. Step 4: Simplify right side
    5,905,856.80x = 35,370,198,817,455.84
  5. Step 5: Solve for x
    x = 35,370,198,817,455.84/5,905,856.80
  6. Step 6: Final answer
    x = 5,989,003.80

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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.