Home / 1,581,033.82-2,181,824.14-855,881.35

Finding the Fourth Proportional to 1,581,033.82, 2,181,824.14 and 855,881.35

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Solution

The fourth proportional to 1,581,033.82, 2,181,824.14 and 855,881.35 is: 1,181,114.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,033.82 : 2,181,824.14 = 855,881.35 : x
  2. Step 2: Convert to fraction form
    1,581,033.82/2,181,824.14 = 855,881.35/x
  3. Step 3: Cross multiply
    1,581,033.82x = 2,181,824.14 × 855,881.35
  4. Step 4: Simplify right side
    1,581,033.82x = 1,867,382,590,405.79
  5. Step 5: Solve for x
    x = 1,867,382,590,405.79/1,581,033.82
  6. Step 6: Final answer
    x = 1,181,114.89

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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.