Home / 6,405,809.40-8,840,215.26-3,505,322.52

Finding the Fourth Proportional to 6,405,809.40, 8,840,215.26 and 3,505,322.52

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Solution

The fourth proportional to 6,405,809.40, 8,840,215.26 and 3,505,322.52 is: 4,837,453.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,405,809.40 : 8,840,215.26 = 3,505,322.52 : x
  2. Step 2: Convert to fraction form
    6,405,809.40/8,840,215.26 = 3,505,322.52/x
  3. Step 3: Cross multiply
    6,405,809.40x = 8,840,215.26 × 3,505,322.52
  4. Step 4: Simplify right side
    6,405,809.40x = 30,987,805,632,525.66
  5. Step 5: Solve for x
    x = 30,987,805,632,525.66/6,405,809.40
  6. Step 6: Final answer
    x = 4,837,453.58

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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.