Home / 2,168,155.44-3,255,212.34-1,103,912.64

Finding the Fourth Proportional to 2,168,155.44, 3,255,212.34 and 1,103,912.64

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Solution

The fourth proportional to 2,168,155.44, 3,255,212.34 and 1,103,912.64 is: 1,657,385.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,168,155.44 : 3,255,212.34 = 1,103,912.64 : x
  2. Step 2: Convert to fraction form
    2,168,155.44/3,255,212.34 = 1,103,912.64/x
  3. Step 3: Cross multiply
    2,168,155.44x = 3,255,212.34 × 1,103,912.64
  4. Step 4: Simplify right side
    2,168,155.44x = 3,593,470,048,009.98
  5. Step 5: Solve for x
    x = 3,593,470,048,009.98/2,168,155.44
  6. Step 6: Final answer
    x = 1,657,385.80

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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.