Home / 1,581,089.52-2,181,900.84-855,936.96

Finding the Fourth Proportional to 1,581,089.52, 2,181,900.84 and 855,936.96

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Solution

The fourth proportional to 1,581,089.52, 2,181,900.84 and 855,936.96 is: 1,181,191.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,089.52 : 2,181,900.84 = 855,936.96 : x
  2. Step 2: Convert to fraction form
    1,581,089.52/2,181,900.84 = 855,936.96/x
  3. Step 3: Cross multiply
    1,581,089.52x = 2,181,900.84 × 855,936.96
  4. Step 4: Simplify right side
    1,581,089.52x = 1,867,569,572,011.05
  5. Step 5: Solve for x
    x = 1,867,569,572,011.05/1,581,089.52
  6. Step 6: Final answer
    x = 1,181,191.54

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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.