Home / 3,849,245.70-5,311,795.77-2,130,205.38

Finding the Fourth Proportional to 3,849,245.70, 5,311,795.77 and 2,130,205.38

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Solution

The fourth proportional to 3,849,245.70, 5,311,795.77 and 2,130,205.38 is: 2,939,593.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,849,245.70 : 5,311,795.77 = 2,130,205.38 : x
  2. Step 2: Convert to fraction form
    3,849,245.70/5,311,795.77 = 2,130,205.38/x
  3. Step 3: Cross multiply
    3,849,245.70x = 5,311,795.77 × 2,130,205.38
  4. Step 4: Simplify right side
    3,849,245.70x = 11,315,215,926,715.24
  5. Step 5: Solve for x
    x = 11,315,215,926,715.24/3,849,245.70
  6. Step 6: Final answer
    x = 2,939,593.06

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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.