Home / 1,541,968.66-2,128,139.40-888,469.50

Finding the Fourth Proportional to 1,541,968.66, 2,128,139.40 and 888,469.50

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Solution

The fourth proportional to 1,541,968.66, 2,128,139.40 and 888,469.50 is: 1,226,216.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,541,968.66 : 2,128,139.40 = 888,469.50 : x
  2. Step 2: Convert to fraction form
    1,541,968.66/2,128,139.40 = 888,469.50/x
  3. Step 3: Cross multiply
    1,541,968.66x = 2,128,139.40 × 888,469.50
  4. Step 4: Simplify right side
    1,541,968.66x = 1,890,786,948,648.30
  5. Step 5: Solve for x
    x = 1,890,786,948,648.30/1,541,968.66
  6. Step 6: Final answer
    x = 1,226,216.20

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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.