Home / 2,905,807.33-4,008,344.29-1,816,187.89

Finding the Fourth Proportional to 2,905,807.33, 4,008,344.29 and 1,816,187.89

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Solution

The fourth proportional to 2,905,807.33, 4,008,344.29 and 1,816,187.89 is: 2,505,295.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,905,807.33 : 4,008,344.29 = 1,816,187.89 : x
  2. Step 2: Convert to fraction form
    2,905,807.33/4,008,344.29 = 1,816,187.89/x
  3. Step 3: Cross multiply
    2,905,807.33x = 4,008,344.29 × 1,816,187.89
  4. Step 4: Simplify right side
    2,905,807.33x = 7,279,906,339,346.85
  5. Step 5: Solve for x
    x = 7,279,906,339,346.85/2,905,807.33
  6. Step 6: Final answer
    x = 2,505,295.61

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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.