Home / 3,621,645.08-4,997,868.88-1,990,157.56

Finding the Fourth Proportional to 3,621,645.08, 4,997,868.88 and 1,990,157.56

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Solution

The fourth proportional to 3,621,645.08, 4,997,868.88 and 1,990,157.56 is: 2,746,416.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621,645.08 : 4,997,868.88 = 1,990,157.56 : x
  2. Step 2: Convert to fraction form
    3,621,645.08/4,997,868.88 = 1,990,157.56/x
  3. Step 3: Cross multiply
    3,621,645.08x = 4,997,868.88 × 1,990,157.56
  4. Step 4: Simplify right side
    3,621,645.08x = 9,946,546,535,420.73
  5. Step 5: Solve for x
    x = 9,946,546,535,420.73/3,621,645.08
  6. Step 6: Final answer
    x = 2,746,416.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.