Home / 2,315,961.60-3,196,026.36-1,269,376.80

Finding the Fourth Proportional to 2,315,961.60, 3,196,026.36 and 1,269,376.80

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Solution

The fourth proportional to 2,315,961.60, 3,196,026.36 and 1,269,376.80 is: 1,751,739.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,315,961.60 : 3,196,026.36 = 1,269,376.80 : x
  2. Step 2: Convert to fraction form
    2,315,961.60/3,196,026.36 = 1,269,376.80/x
  3. Step 3: Cross multiply
    2,315,961.60x = 3,196,026.36 × 1,269,376.80
  4. Step 4: Simplify right side
    2,315,961.60x = 4,056,961,713,572.45
  5. Step 5: Solve for x
    x = 4,056,961,713,572.45/2,315,961.60
  6. Step 6: Final answer
    x = 1,751,739.63

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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.