Home / 5,149,856.91-7,724,785.37-2,746,420.05

Finding the Fourth Proportional to 5,149,856.91, 7,724,785.37 and 2,746,420.05

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Solution

The fourth proportional to 5,149,856.91, 7,724,785.37 and 2,746,420.05 is: 4,119,630.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,149,856.91 : 7,724,785.37 = 2,746,420.05 : x
  2. Step 2: Convert to fraction form
    5,149,856.91/7,724,785.37 = 2,746,420.05/x
  3. Step 3: Cross multiply
    5,149,856.91x = 7,724,785.37 × 2,746,420.05
  4. Step 4: Simplify right side
    5,149,856.91x = 21,215,505,408,382.57
  5. Step 5: Solve for x
    x = 21,215,505,408,382.57/5,149,856.91
  6. Step 6: Final answer
    x = 4,119,630.08

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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.