Home / 1,934,190.72-2,898,330.24-811,647.36

Finding the Fourth Proportional to 1,934,190.72, 2,898,330.24 and 811,647.36

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Solution

The fourth proportional to 1,934,190.72, 2,898,330.24 and 811,647.36 is: 1,216,230.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,934,190.72 : 2,898,330.24 = 811,647.36 : x
  2. Step 2: Convert to fraction form
    1,934,190.72/2,898,330.24 = 811,647.36/x
  3. Step 3: Cross multiply
    1,934,190.72x = 2,898,330.24 × 811,647.36
  4. Step 4: Simplify right side
    1,934,190.72x = 2,352,422,087,704.17
  5. Step 5: Solve for x
    x = 2,352,422,087,704.17/1,934,190.72
  6. Step 6: Final answer
    x = 1,216,230.68

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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.