Home / 2,197,895.40-3,297,620.70-2,120,135.40

Finding the Fourth Proportional to 2,197,895.40, 3,297,620.70 and 2,120,135.40

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Solution

The fourth proportional to 2,197,895.40, 3,297,620.70 and 2,120,135.40 is: 3,180,953.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,197,895.40 : 3,297,620.70 = 2,120,135.40 : x
  2. Step 2: Convert to fraction form
    2,197,895.40/3,297,620.70 = 2,120,135.40/x
  3. Step 3: Cross multiply
    2,197,895.40x = 3,297,620.70 × 2,120,135.40
  4. Step 4: Simplify right side
    2,197,895.40x = 6,991,402,381,842.78
  5. Step 5: Solve for x
    x = 6,991,402,381,842.78/2,197,895.40
  6. Step 6: Final answer
    x = 3,180,953.19

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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.