Home / 1,581,035.43-2,181,826.41-855,882.93

Finding the Fourth Proportional to 1,581,035.43, 2,181,826.41 and 855,882.93

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Solution

The fourth proportional to 1,581,035.43, 2,181,826.41 and 855,882.93 is: 1,181,117.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,035.43 : 2,181,826.41 = 855,882.93 : x
  2. Step 2: Convert to fraction form
    1,581,035.43/2,181,826.41 = 855,882.93/x
  3. Step 3: Cross multiply
    1,581,035.43x = 2,181,826.41 × 855,882.93
  4. Step 4: Simplify right side
    1,581,035.43x = 1,867,387,980,542.18
  5. Step 5: Solve for x
    x = 1,867,387,980,542.18/1,581,035.43
  6. Step 6: Final answer
    x = 1,181,117.10

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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.