Home / 3,401,740.80-5,102,611.20-1,379,980.80

Finding the Fourth Proportional to 3,401,740.80, 5,102,611.20 and 1,379,980.80

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Solution

The fourth proportional to 3,401,740.80, 5,102,611.20 and 1,379,980.80 is: 2,069,971.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,401,740.80 : 5,102,611.20 = 1,379,980.80 : x
  2. Step 2: Convert to fraction form
    3,401,740.80/5,102,611.20 = 1,379,980.80/x
  3. Step 3: Cross multiply
    3,401,740.80x = 5,102,611.20 × 1,379,980.80
  4. Step 4: Simplify right side
    3,401,740.80x = 7,041,505,485,864.96
  5. Step 5: Solve for x
    x = 7,041,505,485,864.96/3,401,740.80
  6. Step 6: Final answer
    x = 2,069,971.20

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Similar ratio
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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.