Home / 1,554,542.91-2,145,212.58-866,179.20

Finding the Fourth Proportional to 1,554,542.91, 2,145,212.58 and 866,179.20

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Solution

The fourth proportional to 1,554,542.91, 2,145,212.58 and 866,179.20 is: 1,195,295.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,554,542.91 : 2,145,212.58 = 866,179.20 : x
  2. Step 2: Convert to fraction form
    1,554,542.91/2,145,212.58 = 866,179.20/x
  3. Step 3: Cross multiply
    1,554,542.91x = 2,145,212.58 × 866,179.20
  4. Step 4: Simplify right side
    1,554,542.91x = 1,858,138,516,374.34
  5. Step 5: Solve for x
    x = 1,858,138,516,374.34/1,554,542.91
  6. Step 6: Final answer
    x = 1,195,295.74

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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.