Home / 3,236,181.60-4,857,382.80-1,640,546.40

Finding the Fourth Proportional to 3,236,181.60, 4,857,382.80 and 1,640,546.40

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Solution

The fourth proportional to 3,236,181.60, 4,857,382.80 and 1,640,546.40 is: 2,462,396.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,236,181.60 : 4,857,382.80 = 1,640,546.40 : x
  2. Step 2: Convert to fraction form
    3,236,181.60/4,857,382.80 = 1,640,546.40/x
  3. Step 3: Cross multiply
    3,236,181.60x = 4,857,382.80 × 1,640,546.40
  4. Step 4: Simplify right side
    3,236,181.60x = 7,968,761,865,961.92
  5. Step 5: Solve for x
    x = 7,968,761,865,961.92/3,236,181.60
  6. Step 6: Final answer
    x = 2,462,396.38

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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.