Home / 3,145,319.48-4,718,969.54-1,123,518.65

Finding the Fourth Proportional to 3,145,319.48, 4,718,969.54 and 1,123,518.65

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Solution

The fourth proportional to 3,145,319.48, 4,718,969.54 and 1,123,518.65 is: 1,685,631.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,145,319.48 : 4,718,969.54 = 1,123,518.65 : x
  2. Step 2: Convert to fraction form
    3,145,319.48/4,718,969.54 = 1,123,518.65/x
  3. Step 3: Cross multiply
    3,145,319.48x = 4,718,969.54 × 1,123,518.65
  4. Step 4: Simplify right side
    3,145,319.48x = 5,301,850,257,759.48
  5. Step 5: Solve for x
    x = 5,301,850,257,759.48/3,145,319.48
  6. Step 6: Final answer
    x = 1,685,631.71

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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.