Home / 3,803,212.78-5,246,784.18-2,515,849.81

Finding the Fourth Proportional to 3,803,212.78, 5,246,784.18 and 2,515,849.81

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Solution

The fourth proportional to 3,803,212.78, 5,246,784.18 and 2,515,849.81 is: 3,470,781.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,803,212.78 : 5,246,784.18 = 2,515,849.81 : x
  2. Step 2: Convert to fraction form
    3,803,212.78/5,246,784.18 = 2,515,849.81/x
  3. Step 3: Cross multiply
    3,803,212.78x = 5,246,784.18 × 2,515,849.81
  4. Step 4: Simplify right side
    3,803,212.78x = 13,200,120,982,364.01
  5. Step 5: Solve for x
    x = 13,200,120,982,364.01/3,803,212.78
  6. Step 6: Final answer
    x = 3,470,781.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.