Home / 3,669,420.80-5,504,131.20-973,740.80

Finding the Fourth Proportional to 3,669,420.80, 5,504,131.20 and 973,740.80

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Solution

The fourth proportional to 3,669,420.80, 5,504,131.20 and 973,740.80 is: 1,460,611.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,669,420.80 : 5,504,131.20 = 973,740.80 : x
  2. Step 2: Convert to fraction form
    3,669,420.80/5,504,131.20 = 973,740.80/x
  3. Step 3: Cross multiply
    3,669,420.80x = 5,504,131.20 × 973,740.80
  4. Step 4: Simplify right side
    3,669,420.80x = 5,359,597,117,992.96
  5. Step 5: Solve for x
    x = 5,359,597,117,992.96/3,669,420.80
  6. Step 6: Final answer
    x = 1,460,611.20

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Double scale
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Similar ratio
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1.5x scale

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.