Home / 3,126,819.45-4,309,113.56-2,505,919.35

Finding the Fourth Proportional to 3,126,819.45, 4,309,113.56 and 2,505,919.35

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Solution

The fourth proportional to 3,126,819.45, 4,309,113.56 and 2,505,919.35 is: 3,453,442.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,126,819.45 : 4,309,113.56 = 2,505,919.35 : x
  2. Step 2: Convert to fraction form
    3,126,819.45/4,309,113.56 = 2,505,919.35/x
  3. Step 3: Cross multiply
    3,126,819.45x = 4,309,113.56 × 2,505,919.35
  4. Step 4: Simplify right side
    3,126,819.45x = 10,798,291,038,821.79
  5. Step 5: Solve for x
    x = 10,798,291,038,821.79/3,126,819.45
  6. Step 6: Final answer
    x = 3,453,442.46

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1.5x scale

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.