Home / 5,242,813.09-7,854,144.40-3,215,144.24

Finding the Fourth Proportional to 5,242,813.09, 7,854,144.40 and 3,215,144.24

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Solution

The fourth proportional to 5,242,813.09, 7,854,144.40 and 3,215,144.24 is: 4,816,537.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,242,813.09 : 7,854,144.40 = 3,215,144.24 : x
  2. Step 2: Convert to fraction form
    5,242,813.09/7,854,144.40 = 3,215,144.24/x
  3. Step 3: Cross multiply
    5,242,813.09x = 7,854,144.40 × 3,215,144.24
  4. Step 4: Simplify right side
    5,242,813.09x = 25,252,207,103,904.32
  5. Step 5: Solve for x
    x = 25,252,207,103,904.32/5,242,813.09
  6. Step 6: Final answer
    x = 4,816,537.74

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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.