Home / 3,991,811.10-5,980,827.60-1,857,517.80

Finding the Fourth Proportional to 3,991,811.10, 5,980,827.60 and 1,857,517.80

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Solution

The fourth proportional to 3,991,811.10, 5,980,827.60 and 1,857,517.80 is: 2,783,071.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,991,811.10 : 5,980,827.60 = 1,857,517.80 : x
  2. Step 2: Convert to fraction form
    3,991,811.10/5,980,827.60 = 1,857,517.80/x
  3. Step 3: Cross multiply
    3,991,811.10x = 5,980,827.60 × 1,857,517.80
  4. Step 4: Simplify right side
    3,991,811.10x = 11,109,493,725,731.28
  5. Step 5: Solve for x
    x = 11,109,493,725,731.28/3,991,811.10
  6. Step 6: Final answer
    x = 2,783,071.00

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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.