Home / 5,515,359.90-8,274,368.82-1,728,842.76

Finding the Fourth Proportional to 5,515,359.90, 8,274,368.82 and 1,728,842.76

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Solution

The fourth proportional to 5,515,359.90, 8,274,368.82 and 1,728,842.76 is: 2,593,680.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,515,359.90 : 8,274,368.82 = 1,728,842.76 : x
  2. Step 2: Convert to fraction form
    5,515,359.90/8,274,368.82 = 1,728,842.76/x
  3. Step 3: Cross multiply
    5,515,359.90x = 8,274,368.82 × 1,728,842.76
  4. Step 4: Simplify right side
    5,515,359.90x = 14,305,082,628,026.74
  5. Step 5: Solve for x
    x = 14,305,082,628,026.74/5,515,359.90
  6. Step 6: Final answer
    x = 2,593,680.72

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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.