Home / 2,905,805.05-4,008,341.14-1,816,185.61

Finding the Fourth Proportional to 2,905,805.05, 4,008,341.14 and 1,816,185.61

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Solution

The fourth proportional to 2,905,805.05, 4,008,341.14 and 1,816,185.61 is: 2,505,292.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,905,805.05 : 4,008,341.14 = 1,816,185.61 : x
  2. Step 2: Convert to fraction form
    2,905,805.05/4,008,341.14 = 1,816,185.61/x
  3. Step 3: Cross multiply
    2,905,805.05x = 4,008,341.14 × 1,816,185.61
  4. Step 4: Simplify right side
    2,905,805.05x = 7,279,891,469,316.36
  5. Step 5: Solve for x
    x = 7,279,891,469,316.36/2,905,805.05
  6. Step 6: Final answer
    x = 2,505,292.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.