Home / 4,260,399.76-6,391,230.30-1,564,514.78

Finding the Fourth Proportional to 4,260,399.76, 6,391,230.30 and 1,564,514.78

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Solution

The fourth proportional to 4,260,399.76, 6,391,230.30 and 1,564,514.78 is: 2,347,003.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,260,399.76 : 6,391,230.30 = 1,564,514.78 : x
  2. Step 2: Convert to fraction form
    4,260,399.76/6,391,230.30 = 1,564,514.78/x
  3. Step 3: Cross multiply
    4,260,399.76x = 6,391,230.30 × 1,564,514.78
  4. Step 4: Simplify right side
    4,260,399.76x = 9,999,174,250,982.15
  5. Step 5: Solve for x
    x = 9,999,174,250,982.15/4,260,399.76
  6. Step 6: Final answer
    x = 2,347,003.76

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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.