Home / 2,738,742.72-3,778,191.45-1,772,185.38

Finding the Fourth Proportional to 2,738,742.72, 3,778,191.45 and 1,772,185.38

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Solution

The fourth proportional to 2,738,742.72, 3,778,191.45 and 1,772,185.38 is: 2,444,791.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,738,742.72 : 3,778,191.45 = 1,772,185.38 : x
  2. Step 2: Convert to fraction form
    2,738,742.72/3,778,191.45 = 1,772,185.38/x
  3. Step 3: Cross multiply
    2,738,742.72x = 3,778,191.45 × 1,772,185.38
  4. Step 4: Simplify right side
    2,738,742.72x = 6,695,655,650,531.00
  5. Step 5: Solve for x
    x = 6,695,655,650,531.00/2,738,742.72
  6. Step 6: Final answer
    x = 2,444,791.77

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1.5x scale

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.