Home / 2,126,116.68-3,190,669.44-1,922,840.52

Finding the Fourth Proportional to 2,126,116.68, 3,190,669.44 and 1,922,840.52

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Solution

The fourth proportional to 2,126,116.68, 3,190,669.44 and 1,922,840.52 is: 2,885,612.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,126,116.68 : 3,190,669.44 = 1,922,840.52 : x
  2. Step 2: Convert to fraction form
    2,126,116.68/3,190,669.44 = 1,922,840.52/x
  3. Step 3: Cross multiply
    2,126,116.68x = 3,190,669.44 × 1,922,840.52
  4. Step 4: Simplify right side
    2,126,116.68x = 6,135,148,485,157.71
  5. Step 5: Solve for x
    x = 6,135,148,485,157.71/2,126,116.68
  6. Step 6: Final answer
    x = 2,885,612.32

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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.