Home / 2,311,830.29-3,190,247.44-1,279,381.77

Finding the Fourth Proportional to 2,311,830.29, 3,190,247.44 and 1,279,381.77

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Solution

The fourth proportional to 2,311,830.29, 3,190,247.44 and 1,279,381.77 is: 1,765,503.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,311,830.29 : 3,190,247.44 = 1,279,381.77 : x
  2. Step 2: Convert to fraction form
    2,311,830.29/3,190,247.44 = 1,279,381.77/x
  3. Step 3: Cross multiply
    2,311,830.29x = 3,190,247.44 × 1,279,381.77
  4. Step 4: Simplify right side
    2,311,830.29x = 4,081,544,413,326.71
  5. Step 5: Solve for x
    x = 4,081,544,413,326.71/2,311,830.29
  6. Step 6: Final answer
    x = 1,765,503.47

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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.