Home / 1,918,230.39-2,647,158.08-1,058,790.83

Finding the Fourth Proportional to 1,918,230.39, 2,647,158.08 and 1,058,790.83

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Solution

The fourth proportional to 1,918,230.39, 2,647,158.08 and 1,058,790.83 is: 1,461,131.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,230.39 : 2,647,158.08 = 1,058,790.83 : x
  2. Step 2: Convert to fraction form
    1,918,230.39/2,647,158.08 = 1,058,790.83/x
  3. Step 3: Cross multiply
    1,918,230.39x = 2,647,158.08 × 1,058,790.83
  4. Step 4: Simplify right side
    1,918,230.39x = 2,802,786,682,134.66
  5. Step 5: Solve for x
    x = 2,802,786,682,134.66/1,918,230.39
  6. Step 6: Final answer
    x = 1,461,131.41

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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.