Home / 3,849,245.20-5,311,795.08-2,130,204.88

Finding the Fourth Proportional to 3,849,245.20, 5,311,795.08 and 2,130,204.88

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Solution

The fourth proportional to 3,849,245.20, 5,311,795.08 and 2,130,204.88 is: 2,939,592.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,849,245.20 : 5,311,795.08 = 2,130,204.88 : x
  2. Step 2: Convert to fraction form
    3,849,245.20/5,311,795.08 = 2,130,204.88/x
  3. Step 3: Cross multiply
    3,849,245.20x = 5,311,795.08 × 2,130,204.88
  4. Step 4: Simplify right side
    3,849,245.20x = 11,315,211,800,975.99
  5. Step 5: Solve for x
    x = 11,315,211,800,975.99/3,849,245.20
  6. Step 6: Final answer
    x = 2,939,592.37

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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.