Home / 5,306,665.78-7,321,071.36-3,345,898.78

Finding the Fourth Proportional to 5,306,665.78, 7,321,071.36 and 3,345,898.78

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Solution

The fourth proportional to 5,306,665.78, 7,321,071.36 and 3,345,898.78 is: 4,615,998.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,306,665.78 : 7,321,071.36 = 3,345,898.78 : x
  2. Step 2: Convert to fraction form
    5,306,665.78/7,321,071.36 = 3,345,898.78/x
  3. Step 3: Cross multiply
    5,306,665.78x = 7,321,071.36 × 3,345,898.78
  4. Step 4: Simplify right side
    5,306,665.78x = 24,495,563,731,716.94
  5. Step 5: Solve for x
    x = 24,495,563,731,716.94/5,306,665.78
  6. Step 6: Final answer
    x = 4,615,998.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.