Home / 1,939,915.02-2,676,610.60-1,277,558.52

Finding the Fourth Proportional to 1,939,915.02, 2,676,610.60 and 1,277,558.52

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Solution

The fourth proportional to 1,939,915.02, 2,676,610.60 and 1,277,558.52 is: 1,762,719.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,939,915.02 : 2,676,610.60 = 1,277,558.52 : x
  2. Step 2: Convert to fraction form
    1,939,915.02/2,676,610.60 = 1,277,558.52/x
  3. Step 3: Cross multiply
    1,939,915.02x = 2,676,610.60 × 1,277,558.52
  4. Step 4: Simplify right side
    1,939,915.02x = 3,419,526,676,752.31
  5. Step 5: Solve for x
    x = 3,419,526,676,752.31/1,939,915.02
  6. Step 6: Final answer
    x = 1,762,719.83

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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.