Home / 5,431,922.70-8,146,619.91-2,021,815.26

Finding the Fourth Proportional to 5,431,922.70, 8,146,619.91 and 2,021,815.26

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Solution

The fourth proportional to 5,431,922.70, 8,146,619.91 and 2,021,815.26 is: 3,032,252.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,431,922.70 : 8,146,619.91 = 2,021,815.26 : x
  2. Step 2: Convert to fraction form
    5,431,922.70/8,146,619.91 = 2,021,815.26/x
  3. Step 3: Cross multiply
    5,431,922.70x = 8,146,619.91 × 2,021,815.26
  4. Step 4: Simplify right side
    5,431,922.70x = 16,470,960,400,615.65
  5. Step 5: Solve for x
    x = 16,470,960,400,615.65/5,431,922.70
  6. Step 6: Final answer
    x = 3,032,252.36

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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.