Home / 3,209,666.42-4,426,756.91-2,821,652.21

Finding the Fourth Proportional to 3,209,666.42, 4,426,756.91 and 2,821,652.21

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Solution

The fourth proportional to 3,209,666.42, 4,426,756.91 and 2,821,652.21 is: 3,891,609.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,209,666.42 : 4,426,756.91 = 2,821,652.21 : x
  2. Step 2: Convert to fraction form
    3,209,666.42/4,426,756.91 = 2,821,652.21/x
  3. Step 3: Cross multiply
    3,209,666.42x = 4,426,756.91 × 2,821,652.21
  4. Step 4: Simplify right side
    3,209,666.42x = 12,490,768,418,234.27
  5. Step 5: Solve for x
    x = 12,490,768,418,234.27/3,209,666.42
  6. Step 6: Final answer
    x = 3,891,609.53

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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.