Home / 3,819,300.67-5,270,529.72-2,100,421

Finding the Fourth Proportional to 3,819,300.67, 5,270,529.72 and 2,100,421

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Solution

The fourth proportional to 3,819,300.67, 5,270,529.72 and 2,100,421 is: 2,898,523.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,819,300.67 : 5,270,529.72 = 2,100,421 : x
  2. Step 2: Convert to fraction form
    3,819,300.67/5,270,529.72 = 2,100,421/x
  3. Step 3: Cross multiply
    3,819,300.67x = 5,270,529.72 × 2,100,421
  4. Step 4: Simplify right side
    3,819,300.67x = 11,070,331,305,012.12
  5. Step 5: Solve for x
    x = 11,070,331,305,012.12/3,819,300.67
  6. Step 6: Final answer
    x = 2,898,523.12

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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.