Home / 2,124,550.31-3,186,821.48-665,708.42

Finding the Fourth Proportional to 2,124,550.31, 3,186,821.48 and 665,708.42

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Solution

The fourth proportional to 2,124,550.31, 3,186,821.48 and 665,708.42 is: 998,561.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,124,550.31 : 3,186,821.48 = 665,708.42 : x
  2. Step 2: Convert to fraction form
    2,124,550.31/3,186,821.48 = 665,708.42/x
  3. Step 3: Cross multiply
    2,124,550.31x = 3,186,821.48 × 665,708.42
  4. Step 4: Simplify right side
    2,124,550.31x = 2,121,493,892,272.86
  5. Step 5: Solve for x
    x = 2,121,493,892,272.86/2,124,550.31
  6. Step 6: Final answer
    x = 998,561.38

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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.