Home / 5,433,416.80-8,150,404.30-1,389,939.65

Finding the Fourth Proportional to 5,433,416.80, 8,150,404.30 and 1,389,939.65

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Solution

The fourth proportional to 5,433,416.80, 8,150,404.30 and 1,389,939.65 is: 2,084,980.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,433,416.80 : 8,150,404.30 = 1,389,939.65 : x
  2. Step 2: Convert to fraction form
    5,433,416.80/8,150,404.30 = 1,389,939.65/x
  3. Step 3: Cross multiply
    5,433,416.80x = 8,150,404.30 × 1,389,939.65
  4. Step 4: Simplify right side
    5,433,416.80x = 11,328,570,090,346.15
  5. Step 5: Solve for x
    x = 11,328,570,090,346.15/5,433,416.80
  6. Step 6: Final answer
    x = 2,084,980.87

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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.