Home / 6,401,710.88-8,820,183.12-4,222,409.12

Finding the Fourth Proportional to 6,401,710.88, 8,820,183.12 and 4,222,409.12

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Solution

The fourth proportional to 6,401,710.88, 8,820,183.12 and 4,222,409.12 is: 5,817,573.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,401,710.88 : 8,820,183.12 = 4,222,409.12 : x
  2. Step 2: Convert to fraction form
    6,401,710.88/8,820,183.12 = 4,222,409.12/x
  3. Step 3: Cross multiply
    6,401,710.88x = 8,820,183.12 × 4,222,409.12
  4. Step 4: Simplify right side
    6,401,710.88x = 37,242,421,645,958.05
  5. Step 5: Solve for x
    x = 37,242,421,645,958.05/6,401,710.88
  6. Step 6: Final answer
    x = 5,817,573.20

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1.5x scale

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.