Home / 2,132,957.88-3,200,617.80-1,277,928.36

Finding the Fourth Proportional to 2,132,957.88, 3,200,617.80 and 1,277,928.36

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Solution

The fourth proportional to 2,132,957.88, 3,200,617.80 and 1,277,928.36 is: 1,917,600.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,132,957.88 : 3,200,617.80 = 1,277,928.36 : x
  2. Step 2: Convert to fraction form
    2,132,957.88/3,200,617.80 = 1,277,928.36/x
  3. Step 3: Cross multiply
    2,132,957.88x = 3,200,617.80 × 1,277,928.36
  4. Step 4: Simplify right side
    2,132,957.88x = 4,090,160,256,140.81
  5. Step 5: Solve for x
    x = 4,090,160,256,140.81/2,132,957.88
  6. Step 6: Final answer
    x = 1,917,600.11

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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.