Home / 1,877,687.28-2,591,209.04-1,018,247.28

Finding the Fourth Proportional to 1,877,687.28, 2,591,209.04 and 1,018,247.28

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Solution

The fourth proportional to 1,877,687.28, 2,591,209.04 and 1,018,247.28 is: 1,405,181.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,877,687.28 : 2,591,209.04 = 1,018,247.28 : x
  2. Step 2: Convert to fraction form
    1,877,687.28/2,591,209.04 = 1,018,247.28/x
  3. Step 3: Cross multiply
    1,877,687.28x = 2,591,209.04 × 1,018,247.28
  4. Step 4: Simplify right side
    1,877,687.28x = 2,638,491,556,891.41
  5. Step 5: Solve for x
    x = 2,638,491,556,891.41/1,877,687.28
  6. Step 6: Final answer
    x = 1,405,181.57

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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.