Home / 2,738,862.90-3,779,741.97-1,515,147.30

Finding the Fourth Proportional to 2,738,862.90, 3,779,741.97 and 1,515,147.30

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Solution

The fourth proportional to 2,738,862.90, 3,779,741.97 and 1,515,147.30 is: 2,090,964.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,738,862.90 : 3,779,741.97 = 1,515,147.30 : x
  2. Step 2: Convert to fraction form
    2,738,862.90/3,779,741.97 = 1,515,147.30/x
  3. Step 3: Cross multiply
    2,738,862.90x = 3,779,741.97 × 1,515,147.30
  4. Step 4: Simplify right side
    2,738,862.90x = 5,726,865,840,542.18
  5. Step 5: Solve for x
    x = 5,726,865,840,542.18/2,738,862.90
  6. Step 6: Final answer
    x = 2,090,964.77

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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.