Home / 3,878,108.76-5,819,819.94-1,353,763.56

Finding the Fourth Proportional to 3,878,108.76, 5,819,819.94 and 1,353,763.56

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Solution

The fourth proportional to 3,878,108.76, 5,819,819.94 and 1,353,763.56 is: 2,031,572.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,878,108.76 : 5,819,819.94 = 1,353,763.56 : x
  2. Step 2: Convert to fraction form
    3,878,108.76/5,819,819.94 = 1,353,763.56/x
  3. Step 3: Cross multiply
    3,878,108.76x = 5,819,819.94 × 1,353,763.56
  4. Step 4: Simplify right side
    3,878,108.76x = 7,878,660,160,533.39
  5. Step 5: Solve for x
    x = 7,878,660,160,533.39/3,878,108.76
  6. Step 6: Final answer
    x = 2,031,572.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.