Home / 5,245,976.36-7,870,025.30-2,213,349.72

Finding the Fourth Proportional to 5,245,976.36, 7,870,025.30 and 2,213,349.72

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Solution

The fourth proportional to 5,245,976.36, 7,870,025.30 and 2,213,349.72 is: 3,320,472.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,245,976.36 : 7,870,025.30 = 2,213,349.72 : x
  2. Step 2: Convert to fraction form
    5,245,976.36/7,870,025.30 = 2,213,349.72/x
  3. Step 3: Cross multiply
    5,245,976.36x = 7,870,025.30 × 2,213,349.72
  4. Step 4: Simplify right side
    5,245,976.36x = 17,419,118,283,081.17
  5. Step 5: Solve for x
    x = 17,419,118,283,081.17/5,245,976.36
  6. Step 6: Final answer
    x = 3,320,472.13

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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.