Home / 1,581,035.79-2,181,826.94-855,883.33

Finding the Fourth Proportional to 1,581,035.79, 2,181,826.94 and 855,883.33

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Solution

The fourth proportional to 1,581,035.79, 2,181,826.94 and 855,883.33 is: 1,181,117.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,035.79 : 2,181,826.94 = 855,883.33 : x
  2. Step 2: Convert to fraction form
    1,581,035.79/2,181,826.94 = 855,883.33/x
  3. Step 3: Cross multiply
    1,581,035.79x = 2,181,826.94 × 855,883.33
  4. Step 4: Simplify right side
    1,581,035.79x = 1,867,389,297,156.93
  5. Step 5: Solve for x
    x = 1,867,389,297,156.93/1,581,035.79
  6. Step 6: Final answer
    x = 1,181,117.66

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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.