Home / 2,121,881.58-2,922,618.20-1,630,912.23

Finding the Fourth Proportional to 2,121,881.58, 2,922,618.20 and 1,630,912.23

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Solution

The fourth proportional to 2,121,881.58, 2,922,618.20 and 1,630,912.23 is: 2,246,371.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,121,881.58 : 2,922,618.20 = 1,630,912.23 : x
  2. Step 2: Convert to fraction form
    2,121,881.58/2,922,618.20 = 1,630,912.23/x
  3. Step 3: Cross multiply
    2,121,881.58x = 2,922,618.20 × 1,630,912.23
  4. Step 4: Simplify right side
    2,121,881.58x = 4,766,533,757,846.02
  5. Step 5: Solve for x
    x = 4,766,533,757,846.02/2,121,881.58
  6. Step 6: Final answer
    x = 2,246,371.24

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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.