Home / 1,877,660.20-2,591,171.76-1,018,220.24

Finding the Fourth Proportional to 1,877,660.20, 2,591,171.76 and 1,018,220.24

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Solution

The fourth proportional to 1,877,660.20, 2,591,171.76 and 1,018,220.24 is: 1,405,144.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,877,660.20 : 2,591,171.76 = 1,018,220.24 : x
  2. Step 2: Convert to fraction form
    1,877,660.20/2,591,171.76 = 1,018,220.24/x
  3. Step 3: Cross multiply
    1,877,660.20x = 2,591,171.76 × 1,018,220.24
  4. Step 4: Simplify right side
    1,877,660.20x = 2,638,383,531,348.42
  5. Step 5: Solve for x
    x = 2,638,383,531,348.42/1,877,660.20
  6. Step 6: Final answer
    x = 1,405,144.30

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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.