Home / 2,110,230.64-2,912,261.16-1,192,141.36

Finding the Fourth Proportional to 2,110,230.64, 2,912,261.16 and 1,192,141.36

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Solution

The fourth proportional to 2,110,230.64, 2,912,261.16 and 1,192,141.36 is: 1,645,235.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,110,230.64 : 2,912,261.16 = 1,192,141.36 : x
  2. Step 2: Convert to fraction form
    2,110,230.64/2,912,261.16 = 1,192,141.36/x
  3. Step 3: Cross multiply
    2,110,230.64x = 2,912,261.16 × 1,192,141.36
  4. Step 4: Simplify right side
    2,110,230.64x = 3,471,826,979,957.58
  5. Step 5: Solve for x
    x = 3,471,826,979,957.58/2,110,230.64
  6. Step 6: Final answer
    x = 1,645,235.79

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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.