Home / 5,168,162.56-7,751,652.32-1,381,940.68

Finding the Fourth Proportional to 5,168,162.56, 7,751,652.32 and 1,381,940.68

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Solution

The fourth proportional to 5,168,162.56, 7,751,652.32 and 1,381,940.68 is: 2,072,752.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,168,162.56 : 7,751,652.32 = 1,381,940.68 : x
  2. Step 2: Convert to fraction form
    5,168,162.56/7,751,652.32 = 1,381,940.68/x
  3. Step 3: Cross multiply
    5,168,162.56x = 7,751,652.32 × 1,381,940.68
  4. Step 4: Simplify right side
    5,168,162.56x = 10,712,323,678,224.38
  5. Step 5: Solve for x
    x = 10,712,323,678,224.38/5,168,162.56
  6. Step 6: Final answer
    x = 2,072,752.85

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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.