Home / 5,206,874.08-7,810,082.70-1,420,344.40

Finding the Fourth Proportional to 5,206,874.08, 7,810,082.70 and 1,420,344.40

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Solution

The fourth proportional to 5,206,874.08, 7,810,082.70 and 1,420,344.40 is: 2,130,454.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,206,874.08 : 7,810,082.70 = 1,420,344.40 : x
  2. Step 2: Convert to fraction form
    5,206,874.08/7,810,082.70 = 1,420,344.40/x
  3. Step 3: Cross multiply
    5,206,874.08x = 7,810,082.70 × 1,420,344.40
  4. Step 4: Simplify right side
    5,206,874.08x = 11,093,007,226,481.88
  5. Step 5: Solve for x
    x = 11,093,007,226,481.88/5,206,874.08
  6. Step 6: Final answer
    x = 2,130,454.29

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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.