Home / 5,983,845.72-8,975,703.78-4,780,120.92

Finding the Fourth Proportional to 5,983,845.72, 8,975,703.78 and 4,780,120.92

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Solution

The fourth proportional to 5,983,845.72, 8,975,703.78 and 4,780,120.92 is: 7,170,129.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,983,845.72 : 8,975,703.78 = 4,780,120.92 : x
  2. Step 2: Convert to fraction form
    5,983,845.72/8,975,703.78 = 4,780,120.92/x
  3. Step 3: Cross multiply
    5,983,845.72x = 8,975,703.78 × 4,780,120.92
  4. Step 4: Simplify right side
    5,983,845.72x = 42,904,949,410,501.07
  5. Step 5: Solve for x
    x = 42,904,949,410,501.07/5,983,845.72
  6. Step 6: Final answer
    x = 7,170,129.62

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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.