Home / 3,853,520.45-5,317,857.43-2,111,251.65

Finding the Fourth Proportional to 3,853,520.45, 5,317,857.43 and 2,111,251.65

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Solution

The fourth proportional to 3,853,520.45, 5,317,857.43 and 2,111,251.65 is: 2,913,526.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,853,520.45 : 5,317,857.43 = 2,111,251.65 : x
  2. Step 2: Convert to fraction form
    3,853,520.45/5,317,857.43 = 2,111,251.65/x
  3. Step 3: Cross multiply
    3,853,520.45x = 5,317,857.43 × 2,111,251.65
  4. Step 4: Simplify right side
    3,853,520.45x = 11,227,335,248,332.17
  5. Step 5: Solve for x
    x = 11,227,335,248,332.17/3,853,520.45
  6. Step 6: Final answer
    x = 2,913,526.84

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.