Home / 2,379,045.54-3,283,086.04-1,291,317.32

Finding the Fourth Proportional to 2,379,045.54, 3,283,086.04 and 1,291,317.32

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Solution

The fourth proportional to 2,379,045.54, 3,283,086.04 and 1,291,317.32 is: 1,782,019.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,379,045.54 : 3,283,086.04 = 1,291,317.32 : x
  2. Step 2: Convert to fraction form
    2,379,045.54/3,283,086.04 = 1,291,317.32/x
  3. Step 3: Cross multiply
    2,379,045.54x = 3,283,086.04 × 1,291,317.32
  4. Step 4: Simplify right side
    2,379,045.54x = 4,239,505,866,502.21
  5. Step 5: Solve for x
    x = 4,239,505,866,502.21/2,379,045.54
  6. Step 6: Final answer
    x = 1,782,019.64

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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.