Home / 3,819,299.67-5,270,528.34-2,100,420

Finding the Fourth Proportional to 3,819,299.67, 5,270,528.34 and 2,100,420

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Solution

The fourth proportional to 3,819,299.67, 5,270,528.34 and 2,100,420 is: 2,898,521.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,819,299.67 : 5,270,528.34 = 2,100,420 : x
  2. Step 2: Convert to fraction form
    3,819,299.67/5,270,528.34 = 2,100,420/x
  3. Step 3: Cross multiply
    3,819,299.67x = 5,270,528.34 × 2,100,420
  4. Step 4: Simplify right side
    3,819,299.67x = 11,070,323,135,902.80
  5. Step 5: Solve for x
    x = 11,070,323,135,902.80/3,819,299.67
  6. Step 6: Final answer
    x = 2,898,521.74

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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.