Home / 2,791,874.40-4,191,748.20-1,728,992.40

Finding the Fourth Proportional to 2,791,874.40, 4,191,748.20 and 1,728,992.40

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Solution

The fourth proportional to 2,791,874.40, 4,191,748.20 and 1,728,992.40 is: 2,595,926.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,791,874.40 : 4,191,748.20 = 1,728,992.40 : x
  2. Step 2: Convert to fraction form
    2,791,874.40/4,191,748.20 = 1,728,992.40/x
  3. Step 3: Cross multiply
    2,791,874.40x = 4,191,748.20 × 1,728,992.40
  4. Step 4: Simplify right side
    2,791,874.40x = 7,247,500,780,513.68
  5. Step 5: Solve for x
    x = 7,247,500,780,513.68/2,791,874.40
  6. Step 6: Final answer
    x = 2,595,926.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.