Home / 3,129,945.39-4,696,662.53-1,690,599.75

Finding the Fourth Proportional to 3,129,945.39, 4,696,662.53 and 1,690,599.75

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Solution

The fourth proportional to 3,129,945.39, 4,696,662.53 and 1,690,599.75 is: 2,536,841.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,129,945.39 : 4,696,662.53 = 1,690,599.75 : x
  2. Step 2: Convert to fraction form
    3,129,945.39/4,696,662.53 = 1,690,599.75/x
  3. Step 3: Cross multiply
    3,129,945.39x = 4,696,662.53 × 1,690,599.75
  4. Step 4: Simplify right side
    3,129,945.39x = 7,940,176,490,599.37
  5. Step 5: Solve for x
    x = 7,940,176,490,599.37/3,129,945.39
  6. Step 6: Final answer
    x = 2,536,841.86

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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.