Home / 2,145,847.40-3,218,771.10-1,436,676.20

Finding the Fourth Proportional to 2,145,847.40, 3,218,771.10 and 1,436,676.20

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Solution

The fourth proportional to 2,145,847.40, 3,218,771.10 and 1,436,676.20 is: 2,155,014.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,145,847.40 : 3,218,771.10 = 1,436,676.20 : x
  2. Step 2: Convert to fraction form
    2,145,847.40/3,218,771.10 = 1,436,676.20/x
  3. Step 3: Cross multiply
    2,145,847.40x = 3,218,771.10 × 1,436,676.20
  4. Step 4: Simplify right side
    2,145,847.40x = 4,624,331,832,617.82
  5. Step 5: Solve for x
    x = 4,624,331,832,617.82/2,145,847.40
  6. Step 6: Final answer
    x = 2,155,014.30

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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.