Home / 2,255,767.44-3,112,670.34-1,288,960.62

Finding the Fourth Proportional to 2,255,767.44, 3,112,670.34 and 1,288,960.62

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Solution

The fourth proportional to 2,255,767.44, 3,112,670.34 and 1,288,960.62 is: 1,778,600.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,255,767.44 : 3,112,670.34 = 1,288,960.62 : x
  2. Step 2: Convert to fraction form
    2,255,767.44/3,112,670.34 = 1,288,960.62/x
  3. Step 3: Cross multiply
    2,255,767.44x = 3,112,670.34 × 1,288,960.62
  4. Step 4: Simplify right side
    2,255,767.44x = 4,012,109,491,302.01
  5. Step 5: Solve for x
    x = 4,012,109,491,302.01/2,255,767.44
  6. Step 6: Final answer
    x = 1,778,600.67

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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.