Home / 5,212,958.40-7,820,020.80-1,618,696.80

Finding the Fourth Proportional to 5,212,958.40, 7,820,020.80 and 1,618,696.80

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Solution

The fourth proportional to 5,212,958.40, 7,820,020.80 and 1,618,696.80 is: 2,428,226.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,212,958.40 : 7,820,020.80 = 1,618,696.80 : x
  2. Step 2: Convert to fraction form
    5,212,958.40/7,820,020.80 = 1,618,696.80/x
  3. Step 3: Cross multiply
    5,212,958.40x = 7,820,020.80 × 1,618,696.80
  4. Step 4: Simplify right side
    5,212,958.40x = 12,658,242,644,893.44
  5. Step 5: Solve for x
    x = 12,658,242,644,893.44/5,212,958.40
  6. Step 6: Final answer
    x = 2,428,226.29

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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.