Home / 3,186,659.25-4,781,401.61-1,669,981.58

Finding the Fourth Proportional to 3,186,659.25, 4,781,401.61 and 1,669,981.58

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Solution

The fourth proportional to 3,186,659.25, 4,781,401.61 and 1,669,981.58 is: 2,505,712.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,186,659.25 : 4,781,401.61 = 1,669,981.58 : x
  2. Step 2: Convert to fraction form
    3,186,659.25/4,781,401.61 = 1,669,981.58/x
  3. Step 3: Cross multiply
    3,186,659.25x = 4,781,401.61 × 1,669,981.58
  4. Step 4: Simplify right side
    3,186,659.25x = 7,984,852,583,025.43
  5. Step 5: Solve for x
    x = 7,984,852,583,025.43/3,186,659.25
  6. Step 6: Final answer
    x = 2,505,712.71

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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.