Home / 2,161,284.30-3,242,086.83-644,847.66

Finding the Fourth Proportional to 2,161,284.30, 3,242,086.83 and 644,847.66

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Solution

The fourth proportional to 2,161,284.30, 3,242,086.83 and 644,847.66 is: 967,319.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,161,284.30 : 3,242,086.83 = 644,847.66 : x
  2. Step 2: Convert to fraction form
    2,161,284.30/3,242,086.83 = 644,847.66/x
  3. Step 3: Cross multiply
    2,161,284.30x = 3,242,086.83 × 644,847.66
  4. Step 4: Simplify right side
    2,161,284.30x = 2,090,652,105,842.32
  5. Step 5: Solve for x
    x = 2,090,652,105,842.32/2,161,284.30
  6. Step 6: Final answer
    x = 967,319.34

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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.