Home / 5,426,374.56-8,128,920.51-3,147,110.82

Finding the Fourth Proportional to 5,426,374.56, 8,128,920.51 and 3,147,110.82

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Solution

The fourth proportional to 5,426,374.56, 8,128,920.51 and 3,147,110.82 is: 4,714,494.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,426,374.56 : 8,128,920.51 = 3,147,110.82 : x
  2. Step 2: Convert to fraction form
    5,426,374.56/8,128,920.51 = 3,147,110.82/x
  3. Step 3: Cross multiply
    5,426,374.56x = 8,128,920.51 × 3,147,110.82
  4. Step 4: Simplify right side
    5,426,374.56x = 25,582,613,691,940.92
  5. Step 5: Solve for x
    x = 25,582,613,691,940.92/5,426,374.56
  6. Step 6: Final answer
    x = 4,714,494.62

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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.