Home / 4,600,621.10-6,902,174.10-1,405,660.16

Finding the Fourth Proportional to 4,600,621.10, 6,902,174.10 and 1,405,660.16

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Solution

The fourth proportional to 4,600,621.10, 6,902,174.10 and 1,405,660.16 is: 2,108,869.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,600,621.10 : 6,902,174.10 = 1,405,660.16 : x
  2. Step 2: Convert to fraction form
    4,600,621.10/6,902,174.10 = 1,405,660.16/x
  3. Step 3: Cross multiply
    4,600,621.10x = 6,902,174.10 × 1,405,660.16
  4. Step 4: Simplify right side
    4,600,621.10x = 9,702,111,149,753.86
  5. Step 5: Solve for x
    x = 9,702,111,149,753.86/4,600,621.10
  6. Step 6: Final answer
    x = 2,108,869.85

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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.