Home / 5,450,905.80-8,176,358.70-1,664,382.60

Finding the Fourth Proportional to 5,450,905.80, 8,176,358.70 and 1,664,382.60

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Solution

The fourth proportional to 5,450,905.80, 8,176,358.70 and 1,664,382.60 is: 2,496,573.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,450,905.80 : 8,176,358.70 = 1,664,382.60 : x
  2. Step 2: Convert to fraction form
    5,450,905.80/8,176,358.70 = 1,664,382.60/x
  3. Step 3: Cross multiply
    5,450,905.80x = 8,176,358.70 × 1,664,382.60
  4. Step 4: Simplify right side
    5,450,905.80x = 13,608,589,151,638.62
  5. Step 5: Solve for x
    x = 13,608,589,151,638.62/5,450,905.80
  6. Step 6: Final answer
    x = 2,496,573.90

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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.