Home / 1,939,862.32-2,677,093.08-1,080,422.80

Finding the Fourth Proportional to 1,939,862.32, 2,677,093.08 and 1,080,422.80

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Solution

The fourth proportional to 1,939,862.32, 2,677,093.08 and 1,080,422.80 is: 1,491,029.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,939,862.32 : 2,677,093.08 = 1,080,422.80 : x
  2. Step 2: Convert to fraction form
    1,939,862.32/2,677,093.08 = 1,080,422.80/x
  3. Step 3: Cross multiply
    1,939,862.32x = 2,677,093.08 × 1,080,422.80
  4. Step 4: Simplify right side
    1,939,862.32x = 2,892,392,401,354.22
  5. Step 5: Solve for x
    x = 2,892,392,401,354.22/1,939,862.32
  6. Step 6: Final answer
    x = 1,491,029.74

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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.