Home / 3,919,472.28-5,397,673.14-3,528,961.56

Finding the Fourth Proportional to 3,919,472.28, 5,397,673.14 and 3,528,961.56

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Solution

The fourth proportional to 3,919,472.28, 5,397,673.14 and 3,528,961.56 is: 4,859,884.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,919,472.28 : 5,397,673.14 = 3,528,961.56 : x
  2. Step 2: Convert to fraction form
    3,919,472.28/5,397,673.14 = 3,528,961.56/x
  3. Step 3: Cross multiply
    3,919,472.28x = 5,397,673.14 × 3,528,961.56
  4. Step 4: Simplify right side
    3,919,472.28x = 19,048,181,024,504.50
  5. Step 5: Solve for x
    x = 19,048,181,024,504.50/3,919,472.28
  6. Step 6: Final answer
    x = 4,859,884.10

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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.