Home / 5,184,964.62-7,777,820.70-1,990,090.80

Finding the Fourth Proportional to 5,184,964.62, 7,777,820.70 and 1,990,090.80

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Solution

The fourth proportional to 5,184,964.62, 7,777,820.70 and 1,990,090.80 is: 2,985,279.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,184,964.62 : 7,777,820.70 = 1,990,090.80 : x
  2. Step 2: Convert to fraction form
    5,184,964.62/7,777,820.70 = 1,990,090.80/x
  3. Step 3: Cross multiply
    5,184,964.62x = 7,777,820.70 × 1,990,090.80
  4. Step 4: Simplify right side
    5,184,964.62x = 15,478,569,419,119.56
  5. Step 5: Solve for x
    x = 15,478,569,419,119.56/5,184,964.62
  6. Step 6: Final answer
    x = 2,985,279.66

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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.