Home / 1,581,058.10-2,181,860.89-855,905.80

Finding the Fourth Proportional to 1,581,058.10, 2,181,860.89 and 855,905.80

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Solution

The fourth proportional to 1,581,058.10, 2,181,860.89 and 855,905.80 is: 1,181,150.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,058.10 : 2,181,860.89 = 855,905.80 : x
  2. Step 2: Convert to fraction form
    1,581,058.10/2,181,860.89 = 855,905.80/x
  3. Step 3: Cross multiply
    1,581,058.10x = 2,181,860.89 × 855,905.80
  4. Step 4: Simplify right side
    1,581,058.10x = 1,867,467,393,719.85
  5. Step 5: Solve for x
    x = 1,867,467,393,719.85/1,581,058.10
  6. Step 6: Final answer
    x = 1,181,150.39

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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.