Home / 5,475,892.20-8,215,004.70-1,689,757.80

Finding the Fourth Proportional to 5,475,892.20, 8,215,004.70 and 1,689,757.80

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Solution

The fourth proportional to 5,475,892.20, 8,215,004.70 and 1,689,757.80 is: 2,534,996.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,475,892.20 : 8,215,004.70 = 1,689,757.80 : x
  2. Step 2: Convert to fraction form
    5,475,892.20/8,215,004.70 = 1,689,757.80/x
  3. Step 3: Cross multiply
    5,475,892.20x = 8,215,004.70 × 1,689,757.80
  4. Step 4: Simplify right side
    5,475,892.20x = 13,881,368,268,861.66
  5. Step 5: Solve for x
    x = 13,881,368,268,861.66/5,475,892.20
  6. Step 6: Final answer
    x = 2,534,996.63

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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.