Home / 2,280,128.32-3,146,622.96-1,261,550.08

Finding the Fourth Proportional to 2,280,128.32, 3,146,622.96 and 1,261,550.08

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Solution

The fourth proportional to 2,280,128.32, 3,146,622.96 and 1,261,550.08 is: 1,740,964.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,280,128.32 : 3,146,622.96 = 1,261,550.08 : x
  2. Step 2: Convert to fraction form
    2,280,128.32/3,146,622.96 = 1,261,550.08/x
  3. Step 3: Cross multiply
    2,280,128.32x = 3,146,622.96 × 1,261,550.08
  4. Step 4: Simplify right side
    2,280,128.32x = 3,969,622,446,917.84
  5. Step 5: Solve for x
    x = 3,969,622,446,917.84/2,280,128.32
  6. Step 6: Final answer
    x = 1,740,964.49

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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.