Home / 5,148,664.70-7,722,997.05-1,310,479.70

Finding the Fourth Proportional to 5,148,664.70, 7,722,997.05 and 1,310,479.70

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Solution

The fourth proportional to 5,148,664.70, 7,722,997.05 and 1,310,479.70 is: 1,965,719.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,148,664.70 : 7,722,997.05 = 1,310,479.70 : x
  2. Step 2: Convert to fraction form
    5,148,664.70/7,722,997.05 = 1,310,479.70/x
  3. Step 3: Cross multiply
    5,148,664.70x = 7,722,997.05 × 1,310,479.70
  4. Step 4: Simplify right side
    5,148,664.70x = 10,120,830,857,184.88
  5. Step 5: Solve for x
    x = 10,120,830,857,184.88/5,148,664.70
  6. Step 6: Final answer
    x = 1,965,719.55

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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.