Home / 2,186,698.28-3,017,623.05-1,206,646.31

Finding the Fourth Proportional to 2,186,698.28, 3,017,623.05 and 1,206,646.31

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Solution

The fourth proportional to 2,186,698.28, 3,017,623.05 and 1,206,646.31 is: 1,665,160.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,186,698.28 : 3,017,623.05 = 1,206,646.31 : x
  2. Step 2: Convert to fraction form
    2,186,698.28/3,017,623.05 = 1,206,646.31/x
  3. Step 3: Cross multiply
    2,186,698.28x = 3,017,623.05 × 1,206,646.31
  4. Step 4: Simplify right side
    2,186,698.28x = 3,641,203,725,797.50
  5. Step 5: Solve for x
    x = 3,641,203,725,797.50/2,186,698.28
  6. Step 6: Final answer
    x = 1,665,160.56

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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.