Home / 5,161,757.13-7,123,061.76-2,838,642.48

Finding the Fourth Proportional to 5,161,757.13, 7,123,061.76 and 2,838,642.48

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Solution

The fourth proportional to 5,161,757.13, 7,123,061.76 and 2,838,642.48 is: 3,917,236.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,161,757.13 : 7,123,061.76 = 2,838,642.48 : x
  2. Step 2: Convert to fraction form
    5,161,757.13/7,123,061.76 = 2,838,642.48/x
  3. Step 3: Cross multiply
    5,161,757.13x = 7,123,061.76 × 2,838,642.48
  4. Step 4: Simplify right side
    5,161,757.13x = 20,219,825,699,599.56
  5. Step 5: Solve for x
    x = 20,219,825,699,599.56/5,161,757.13
  6. Step 6: Final answer
    x = 3,917,236.94

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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.