Home / 5,200,705.20-7,801,057.80-3,315,802.80

Finding the Fourth Proportional to 5,200,705.20, 7,801,057.80 and 3,315,802.80

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Solution

The fourth proportional to 5,200,705.20, 7,801,057.80 and 3,315,802.80 is: 4,973,704.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,200,705.20 : 7,801,057.80 = 3,315,802.80 : x
  2. Step 2: Convert to fraction form
    5,200,705.20/7,801,057.80 = 3,315,802.80/x
  3. Step 3: Cross multiply
    5,200,705.20x = 7,801,057.80 × 3,315,802.80
  4. Step 4: Simplify right side
    5,200,705.20x = 25,866,769,296,201.84
  5. Step 5: Solve for x
    x = 25,866,769,296,201.84/5,200,705.20
  6. Step 6: Final answer
    x = 4,973,704.20

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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.