Home / 3,100,015.48-4,650,111.24-856,153.48

Finding the Fourth Proportional to 3,100,015.48, 4,650,111.24 and 856,153.48

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Solution

The fourth proportional to 3,100,015.48, 4,650,111.24 and 856,153.48 is: 1,284,254.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,100,015.48 : 4,650,111.24 = 856,153.48 : x
  2. Step 2: Convert to fraction form
    3,100,015.48/4,650,111.24 = 856,153.48/x
  3. Step 3: Cross multiply
    3,100,015.48x = 4,650,111.24 × 856,153.48
  4. Step 4: Simplify right side
    3,100,015.48x = 3,981,208,920,513.12
  5. Step 5: Solve for x
    x = 3,981,208,920,513.12/3,100,015.48
  6. Step 6: Final answer
    x = 1,284,254.53

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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.