Home / 2,186,451.18-3,017,437.79-1,206,385.43

Finding the Fourth Proportional to 2,186,451.18, 3,017,437.79 and 1,206,385.43

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Solution

The fourth proportional to 2,186,451.18, 3,017,437.79 and 1,206,385.43 is: 1,664,886.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,186,451.18 : 3,017,437.79 = 1,206,385.43 : x
  2. Step 2: Convert to fraction form
    2,186,451.18/3,017,437.79 = 1,206,385.43/x
  3. Step 3: Cross multiply
    2,186,451.18x = 3,017,437.79 × 1,206,385.43
  4. Step 4: Simplify right side
    2,186,451.18x = 3,640,192,964,668.28
  5. Step 5: Solve for x
    x = 3,640,192,964,668.28/2,186,451.18
  6. Step 6: Final answer
    x = 1,664,886.46

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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.