Home / 5,005,105.20-7,504,858.44-1,639,030.32

Finding the Fourth Proportional to 5,005,105.20, 7,504,858.44 and 1,639,030.32

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Solution

The fourth proportional to 5,005,105.20, 7,504,858.44 and 1,639,030.32 is: 2,457,628.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,005,105.20 : 7,504,858.44 = 1,639,030.32 : x
  2. Step 2: Convert to fraction form
    5,005,105.20/7,504,858.44 = 1,639,030.32/x
  3. Step 3: Cross multiply
    5,005,105.20x = 7,504,858.44 × 1,639,030.32
  4. Step 4: Simplify right side
    5,005,105.20x = 12,300,690,530,467.90
  5. Step 5: Solve for x
    x = 12,300,690,530,467.90/5,005,105.20
  6. Step 6: Final answer
    x = 2,457,628.77

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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.