Home / 3,686,213.85-5,529,315.99-990,539.10

Finding the Fourth Proportional to 3,686,213.85, 5,529,315.99 and 990,539.10

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Solution

The fourth proportional to 3,686,213.85, 5,529,315.99 and 990,539.10 is: 1,485,807.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,686,213.85 : 5,529,315.99 = 990,539.10 : x
  2. Step 2: Convert to fraction form
    3,686,213.85/5,529,315.99 = 990,539.10/x
  3. Step 3: Cross multiply
    3,686,213.85x = 5,529,315.99 × 990,539.10
  4. Step 4: Simplify right side
    3,686,213.85x = 5,477,003,684,350.21
  5. Step 5: Solve for x
    x = 5,477,003,684,350.21/3,686,213.85
  6. Step 6: Final answer
    x = 1,485,807.36

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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.