Home / 4,921,150.72-6,791,178.60-2,745,564.42

Finding the Fourth Proportional to 4,921,150.72, 6,791,178.60 and 2,745,564.42

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Solution

The fourth proportional to 4,921,150.72, 6,791,178.60 and 2,745,564.42 is: 3,788,873.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,921,150.72 : 6,791,178.60 = 2,745,564.42 : x
  2. Step 2: Convert to fraction form
    4,921,150.72/6,791,178.60 = 2,745,564.42/x
  3. Step 3: Cross multiply
    4,921,150.72x = 6,791,178.60 × 2,745,564.42
  4. Step 4: Simplify right side
    4,921,150.72x = 18,645,618,334,025.41
  5. Step 5: Solve for x
    x = 18,645,618,334,025.41/4,921,150.72
  6. Step 6: Final answer
    x = 3,788,873.66

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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.