Home / 2,891,142.72-4,337,064-2,731,929.12

Finding the Fourth Proportional to 2,891,142.72, 4,337,064 and 2,731,929.12

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Solution

The fourth proportional to 2,891,142.72, 4,337,064 and 2,731,929.12 is: 4,098,224.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,891,142.72 : 4,337,064 = 2,731,929.12 : x
  2. Step 2: Convert to fraction form
    2,891,142.72/4,337,064 = 2,731,929.12/x
  3. Step 3: Cross multiply
    2,891,142.72x = 4,337,064 × 2,731,929.12
  4. Step 4: Simplify right side
    2,891,142.72x = 11,848,551,436,903.68
  5. Step 5: Solve for x
    x = 11,848,551,436,903.68/2,891,142.72
  6. Step 6: Final answer
    x = 4,098,224.33

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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.