Home / 2,058,320.80-3,084,856.80-991,064.80

Finding the Fourth Proportional to 2,058,320.80, 3,084,856.80 and 991,064.80

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Solution

The fourth proportional to 2,058,320.80, 3,084,856.80 and 991,064.80 is: 1,485,333.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,058,320.80 : 3,084,856.80 = 991,064.80 : x
  2. Step 2: Convert to fraction form
    2,058,320.80/3,084,856.80 = 991,064.80/x
  3. Step 3: Cross multiply
    2,058,320.80x = 3,084,856.80 × 991,064.80
  4. Step 4: Simplify right side
    2,058,320.80x = 3,057,292,987,520.64
  5. Step 5: Solve for x
    x = 3,057,292,987,520.64/2,058,320.80
  6. Step 6: Final answer
    x = 1,485,333.57

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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.