Home / 3,712,912.20-5,568,590.70-1,821,011.40

Finding the Fourth Proportional to 3,712,912.20, 5,568,590.70 and 1,821,011.40

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Solution

The fourth proportional to 3,712,912.20, 5,568,590.70 and 1,821,011.40 is: 2,731,135.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,712,912.20 : 5,568,590.70 = 1,821,011.40 : x
  2. Step 2: Convert to fraction form
    3,712,912.20/5,568,590.70 = 1,821,011.40/x
  3. Step 3: Cross multiply
    3,712,912.20x = 5,568,590.70 × 1,821,011.40
  4. Step 4: Simplify right side
    3,712,912.20x = 10,140,467,146,633.98
  5. Step 5: Solve for x
    x = 10,140,467,146,633.98/3,712,912.20
  6. Step 6: Final answer
    x = 2,731,135.72

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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.