Home / 3,540,391.59-5,315,555.79-1,812,495.57

Finding the Fourth Proportional to 3,540,391.59, 5,315,555.79 and 1,812,495.57

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Solution

The fourth proportional to 3,540,391.59, 5,315,555.79 and 1,812,495.57 is: 2,721,286.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,540,391.59 : 5,315,555.79 = 1,812,495.57 : x
  2. Step 2: Convert to fraction form
    3,540,391.59/5,315,555.79 = 1,812,495.57/x
  3. Step 3: Cross multiply
    3,540,391.59x = 5,315,555.79 × 1,812,495.57
  4. Step 4: Simplify right side
    3,540,391.59x = 9,634,421,321,462.85
  5. Step 5: Solve for x
    x = 9,634,421,321,462.85/3,540,391.59
  6. Step 6: Final answer
    x = 2,721,286.92

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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.