Home / 3,116,712.63-4,677,942.68-1,580,785.86

Finding the Fourth Proportional to 3,116,712.63, 4,677,942.68 and 1,580,785.86

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Solution

The fourth proportional to 3,116,712.63, 4,677,942.68 and 1,580,785.86 is: 2,372,636.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,116,712.63 : 4,677,942.68 = 1,580,785.86 : x
  2. Step 2: Convert to fraction form
    3,116,712.63/4,677,942.68 = 1,580,785.86/x
  3. Step 3: Cross multiply
    3,116,712.63x = 4,677,942.68 × 1,580,785.86
  4. Step 4: Simplify right side
    3,116,712.63x = 7,394,825,631,687.38
  5. Step 5: Solve for x
    x = 7,394,825,631,687.38/3,116,712.63
  6. Step 6: Final answer
    x = 2,372,636.34

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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.