Home / 5,161,385.12-7,122,307.96-2,869,406.24

Finding the Fourth Proportional to 5,161,385.12, 7,122,307.96 and 2,869,406.24

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Solution

The fourth proportional to 5,161,385.12, 7,122,307.96 and 2,869,406.24 is: 3,959,556.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,161,385.12 : 7,122,307.96 = 2,869,406.24 : x
  2. Step 2: Convert to fraction form
    5,161,385.12/7,122,307.96 = 2,869,406.24/x
  3. Step 3: Cross multiply
    5,161,385.12x = 7,122,307.96 × 2,869,406.24
  4. Step 4: Simplify right side
    5,161,385.12x = 20,436,794,903,625.67
  5. Step 5: Solve for x
    x = 20,436,794,903,625.67/5,161,385.12
  6. Step 6: Final answer
    x = 3,959,556.29

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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.