Home / 2,311,782.48-3,190,212.02-1,279,289.63

Finding the Fourth Proportional to 2,311,782.48, 3,190,212.02 and 1,279,289.63

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Solution

The fourth proportional to 2,311,782.48, 3,190,212.02 and 1,279,289.63 is: 1,765,393.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,311,782.48 : 3,190,212.02 = 1,279,289.63 : x
  2. Step 2: Convert to fraction form
    2,311,782.48/3,190,212.02 = 1,279,289.63/x
  3. Step 3: Cross multiply
    2,311,782.48x = 3,190,212.02 × 1,279,289.63
  4. Step 4: Simplify right side
    2,311,782.48x = 4,081,205,165,861.11
  5. Step 5: Solve for x
    x = 4,081,205,165,861.11/2,311,782.48
  6. Step 6: Final answer
    x = 1,765,393.24

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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.