Home / 3,186,717.39-4,781,489.00-1,670,039.78

Finding the Fourth Proportional to 3,186,717.39, 4,781,489.00 and 1,670,039.78

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Solution

The fourth proportional to 3,186,717.39, 4,781,489.00 and 1,670,039.78 is: 2,505,800.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,186,717.39 : 4,781,489.00 = 1,670,039.78 : x
  2. Step 2: Convert to fraction form
    3,186,717.39/4,781,489.00 = 1,670,039.78/x
  3. Step 3: Cross multiply
    3,186,717.39x = 4,781,489.00 × 1,670,039.78
  4. Step 4: Simplify right side
    3,186,717.39x = 7,985,276,805,374.78
  5. Step 5: Solve for x
    x = 7,985,276,805,374.78/3,186,717.39
  6. Step 6: Final answer
    x = 2,505,800.12

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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.