Home / 3,151,538.67-4,728,784.38-1,553,229.86

Finding the Fourth Proportional to 3,151,538.67, 4,728,784.38 and 1,553,229.86

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Solution

The fourth proportional to 3,151,538.67, 4,728,784.38 and 1,553,229.86 is: 2,330,572.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,151,538.67 : 4,728,784.38 = 1,553,229.86 : x
  2. Step 2: Convert to fraction form
    3,151,538.67/4,728,784.38 = 1,553,229.86/x
  3. Step 3: Cross multiply
    3,151,538.67x = 4,728,784.38 × 1,553,229.86
  4. Step 4: Simplify right side
    3,151,538.67x = 7,344,889,076,873.67
  5. Step 5: Solve for x
    x = 7,344,889,076,873.67/3,151,538.67
  6. Step 6: Final answer
    x = 2,330,572.41

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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.