Home / 5,218,764.72-7,202,137.79-3,259,802.60

Finding the Fourth Proportional to 5,218,764.72, 7,202,137.79 and 3,259,802.60

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Solution

The fourth proportional to 5,218,764.72, 7,202,137.79 and 3,259,802.60 is: 4,498,679.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,218,764.72 : 7,202,137.79 = 3,259,802.60 : x
  2. Step 2: Convert to fraction form
    5,218,764.72/7,202,137.79 = 3,259,802.60/x
  3. Step 3: Cross multiply
    5,218,764.72x = 7,202,137.79 × 3,259,802.60
  4. Step 4: Simplify right side
    5,218,764.72x = 23,477,547,523,890.92
  5. Step 5: Solve for x
    x = 23,477,547,523,890.92/5,218,764.72
  6. Step 6: Final answer
    x = 4,498,679.05

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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.