Home / 2,810,209.53-4,215,325.11-680,290.23

Finding the Fourth Proportional to 2,810,209.53, 4,215,325.11 and 680,290.23

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Solution

The fourth proportional to 2,810,209.53, 4,215,325.11 and 680,290.23 is: 1,020,437.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,810,209.53 : 4,215,325.11 = 680,290.23 : x
  2. Step 2: Convert to fraction form
    2,810,209.53/4,215,325.11 = 680,290.23/x
  3. Step 3: Cross multiply
    2,810,209.53x = 4,215,325.11 × 680,290.23
  4. Step 4: Simplify right side
    2,810,209.53x = 2,867,644,488,606.68
  5. Step 5: Solve for x
    x = 2,867,644,488,606.68/2,810,209.53
  6. Step 6: Final answer
    x = 1,020,437.96

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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.