Home / 2,146,199.86-2,961,920.54-1,228,716.77

Finding the Fourth Proportional to 2,146,199.86, 2,961,920.54 and 1,228,716.77

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Solution

The fourth proportional to 2,146,199.86, 2,961,920.54 and 1,228,716.77 is: 1,695,723.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,146,199.86 : 2,961,920.54 = 1,228,716.77 : x
  2. Step 2: Convert to fraction form
    2,146,199.86/2,961,920.54 = 1,228,716.77/x
  3. Step 3: Cross multiply
    2,146,199.86x = 2,961,920.54 × 1,228,716.77
  4. Step 4: Simplify right side
    2,146,199.86x = 3,639,361,432,761.87
  5. Step 5: Solve for x
    x = 3,639,361,432,761.87/2,146,199.86
  6. Step 6: Final answer
    x = 1,695,723.45

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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.