Home / 1,939,867.32-2,677,099.98-1,080,427.80

Finding the Fourth Proportional to 1,939,867.32, 2,677,099.98 and 1,080,427.80

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Solution

The fourth proportional to 1,939,867.32, 2,677,099.98 and 1,080,427.80 is: 1,491,036.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,939,867.32 : 2,677,099.98 = 1,080,427.80 : x
  2. Step 2: Convert to fraction form
    1,939,867.32/2,677,099.98 = 1,080,427.80/x
  3. Step 3: Cross multiply
    1,939,867.32x = 2,677,099.98 × 1,080,427.80
  4. Step 4: Simplify right side
    1,939,867.32x = 2,892,413,241,771.44
  5. Step 5: Solve for x
    x = 2,892,413,241,771.44/1,939,867.32
  6. Step 6: Final answer
    x = 1,491,036.64

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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.