Home / 3,186,687.18-4,781,443.82-1,670,009.57

Finding the Fourth Proportional to 3,186,687.18, 4,781,443.82 and 1,670,009.57

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Solution

The fourth proportional to 3,186,687.18, 4,781,443.82 and 1,670,009.57 is: 2,505,754.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,186,687.18 : 4,781,443.82 = 1,670,009.57 : x
  2. Step 2: Convert to fraction form
    3,186,687.18/4,781,443.82 = 1,670,009.57/x
  3. Step 3: Cross multiply
    3,186,687.18x = 4,781,443.82 × 1,670,009.57
  4. Step 4: Simplify right side
    3,186,687.18x = 7,985,056,905,560.09
  5. Step 5: Solve for x
    x = 7,985,056,905,560.09/3,186,687.18
  6. Step 6: Final answer
    x = 2,505,754.87

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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.