Home / 1,898,980.11-2,848,596.91-667,840.29

Finding the Fourth Proportional to 1,898,980.11, 2,848,596.91 and 667,840.29

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Solution

The fourth proportional to 1,898,980.11, 2,848,596.91 and 667,840.29 is: 1,001,805.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,898,980.11 : 2,848,596.91 = 667,840.29 : x
  2. Step 2: Convert to fraction form
    1,898,980.11/2,848,596.91 = 667,840.29/x
  3. Step 3: Cross multiply
    1,898,980.11x = 2,848,596.91 × 667,840.29
  4. Step 4: Simplify right side
    1,898,980.11x = 1,902,407,786,467.50
  5. Step 5: Solve for x
    x = 1,902,407,786,467.50/1,898,980.11
  6. Step 6: Final answer
    x = 1,001,805.01

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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.