Home / 3,186,685.31-4,781,441.00-1,670,007.69

Finding the Fourth Proportional to 3,186,685.31, 4,781,441.00 and 1,670,007.69

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Solution

The fourth proportional to 3,186,685.31, 4,781,441.00 and 1,670,007.69 is: 2,505,752.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,186,685.31 : 4,781,441.00 = 1,670,007.69 : x
  2. Step 2: Convert to fraction form
    3,186,685.31/4,781,441.00 = 1,670,007.69/x
  3. Step 3: Cross multiply
    3,186,685.31x = 4,781,441.00 × 1,670,007.69
  4. Step 4: Simplify right side
    3,186,685.31x = 7,985,043,243,456.31
  5. Step 5: Solve for x
    x = 7,985,043,243,456.31/3,186,685.31
  6. Step 6: Final answer
    x = 2,505,752.05

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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.