Home / 1,628,779.92-2,443,168.26-1,115,939.76

Finding the Fourth Proportional to 1,628,779.92, 2,443,168.26 and 1,115,939.76

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Solution

The fourth proportional to 1,628,779.92, 2,443,168.26 and 1,115,939.76 is: 1,673,908.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628,779.92 : 2,443,168.26 = 1,115,939.76 : x
  2. Step 2: Convert to fraction form
    1,628,779.92/2,443,168.26 = 1,115,939.76/x
  3. Step 3: Cross multiply
    1,628,779.92x = 2,443,168.26 × 1,115,939.76
  4. Step 4: Simplify right side
    1,628,779.92x = 2,726,428,601,704.02
  5. Step 5: Solve for x
    x = 2,726,428,601,704.02/1,628,779.92
  6. Step 6: Final answer
    x = 1,673,908.53

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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.