Home / 2,691,999.56-4,038,781.19-870,325.61

Finding the Fourth Proportional to 2,691,999.56, 4,038,781.19 and 870,325.61

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Solution

The fourth proportional to 2,691,999.56, 4,038,781.19 and 870,325.61 is: 1,305,741.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,691,999.56 : 4,038,781.19 = 870,325.61 : x
  2. Step 2: Convert to fraction form
    2,691,999.56/4,038,781.19 = 870,325.61/x
  3. Step 3: Cross multiply
    2,691,999.56x = 4,038,781.19 × 870,325.61
  4. Step 4: Simplify right side
    2,691,999.56x = 3,515,054,678,297.74
  5. Step 5: Solve for x
    x = 3,515,054,678,297.74/2,691,999.56
  6. Step 6: Final answer
    x = 1,305,741.18

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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.