Home / 2,197,899.40-3,297,626.70-2,120,139.40

Finding the Fourth Proportional to 2,197,899.40, 3,297,626.70 and 2,120,139.40

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Solution

The fourth proportional to 2,197,899.40, 3,297,626.70 and 2,120,139.40 is: 3,180,959.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,197,899.40 : 3,297,626.70 = 2,120,139.40 : x
  2. Step 2: Convert to fraction form
    2,197,899.40/3,297,626.70 = 2,120,139.40/x
  3. Step 3: Cross multiply
    2,197,899.40x = 3,297,626.70 × 2,120,139.40
  4. Step 4: Simplify right side
    2,197,899.40x = 6,991,428,293,161.98
  5. Step 5: Solve for x
    x = 6,991,428,293,161.98/2,197,899.40
  6. Step 6: Final answer
    x = 3,180,959.19

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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.