Home / 5,151,305.48-7,108,445.96-2,859,285.76

Finding the Fourth Proportional to 5,151,305.48, 7,108,445.96 and 2,859,285.76

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Solution

The fourth proportional to 5,151,305.48, 7,108,445.96 and 2,859,285.76 is: 3,945,616.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,151,305.48 : 7,108,445.96 = 2,859,285.76 : x
  2. Step 2: Convert to fraction form
    5,151,305.48/7,108,445.96 = 2,859,285.76/x
  3. Step 3: Cross multiply
    5,151,305.48x = 7,108,445.96 × 2,859,285.76
  4. Step 4: Simplify right side
    5,151,305.48x = 20,325,078,309,157.53
  5. Step 5: Solve for x
    x = 20,325,078,309,157.53/5,151,305.48
  6. Step 6: Final answer
    x = 3,945,616.97

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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.