Home / 5,485,879.35-8,229,360.32-1,891,173.06

Finding the Fourth Proportional to 5,485,879.35, 8,229,360.32 and 1,891,173.06

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Solution

The fourth proportional to 5,485,879.35, 8,229,360.32 and 1,891,173.06 is: 2,836,946.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,485,879.35 : 8,229,360.32 = 1,891,173.06 : x
  2. Step 2: Convert to fraction form
    5,485,879.35/8,229,360.32 = 1,891,173.06/x
  3. Step 3: Cross multiply
    5,485,879.35x = 8,229,360.32 × 1,891,173.06
  4. Step 4: Simplify right side
    5,485,879.35x = 15,563,144,528,761.12
  5. Step 5: Solve for x
    x = 15,563,144,528,761.12/5,485,879.35
  6. Step 6: Final answer
    x = 2,836,946.19

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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.