Home / 2,111,232.78-3,166,849.45-513,795.86

Finding the Fourth Proportional to 2,111,232.78, 3,166,849.45 and 513,795.86

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Solution

The fourth proportional to 2,111,232.78, 3,166,849.45 and 513,795.86 is: 770,693.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,111,232.78 : 3,166,849.45 = 513,795.86 : x
  2. Step 2: Convert to fraction form
    2,111,232.78/3,166,849.45 = 513,795.86/x
  3. Step 3: Cross multiply
    2,111,232.78x = 3,166,849.45 × 513,795.86
  4. Step 4: Simplify right side
    2,111,232.78x = 1,627,114,136,653.28
  5. Step 5: Solve for x
    x = 1,627,114,136,653.28/2,111,232.78
  6. Step 6: Final answer
    x = 770,693.86

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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.