Home / 5,427,981.33-7,490,744.37-2,947,306.56

Finding the Fourth Proportional to 5,427,981.33, 7,490,744.37 and 2,947,306.56

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Solution

The fourth proportional to 5,427,981.33, 7,490,744.37 and 2,947,306.56 is: 4,067,353.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,427,981.33 : 7,490,744.37 = 2,947,306.56 : x
  2. Step 2: Convert to fraction form
    5,427,981.33/7,490,744.37 = 2,947,306.56/x
  3. Step 3: Cross multiply
    5,427,981.33x = 7,490,744.37 × 2,947,306.56
  4. Step 4: Simplify right side
    5,427,981.33x = 22,077,520,020,984.07
  5. Step 5: Solve for x
    x = 22,077,520,020,984.07/5,427,981.33
  6. Step 6: Final answer
    x = 4,067,353.71

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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.