Home / 2,158,691.19-3,237,991.56-719,478.78

Finding the Fourth Proportional to 2,158,691.19, 3,237,991.56 and 719,478.78

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Solution

The fourth proportional to 2,158,691.19, 3,237,991.56 and 719,478.78 is: 1,079,203.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,158,691.19 : 3,237,991.56 = 719,478.78 : x
  2. Step 2: Convert to fraction form
    2,158,691.19/3,237,991.56 = 719,478.78/x
  3. Step 3: Cross multiply
    2,158,691.19x = 3,237,991.56 × 719,478.78
  4. Step 4: Simplify right side
    2,158,691.19x = 2,329,666,217,239.10
  5. Step 5: Solve for x
    x = 2,329,666,217,239.10/2,158,691.19
  6. Step 6: Final answer
    x = 1,079,203.10

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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.