Home / 2,058,287.80-3,084,807.30-991,031.80

Finding the Fourth Proportional to 2,058,287.80, 3,084,807.30 and 991,031.80

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Solution

The fourth proportional to 2,058,287.80, 3,084,807.30 and 991,031.80 is: 1,485,284.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,058,287.80 : 3,084,807.30 = 991,031.80 : x
  2. Step 2: Convert to fraction form
    2,058,287.80/3,084,807.30 = 991,031.80/x
  3. Step 3: Cross multiply
    2,058,287.80x = 3,084,807.30 × 991,031.80
  4. Step 4: Simplify right side
    2,058,287.80x = 3,057,142,131,172.14
  5. Step 5: Solve for x
    x = 3,057,142,131,172.14/2,058,287.80
  6. Step 6: Final answer
    x = 1,485,284.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.