Home / 2,121,893.08-2,922,634.06-1,630,923.76

Finding the Fourth Proportional to 2,121,893.08, 2,922,634.06 and 1,630,923.76

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Solution

The fourth proportional to 2,121,893.08, 2,922,634.06 and 1,630,923.76 is: 2,246,387.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,121,893.08 : 2,922,634.06 = 1,630,923.76 : x
  2. Step 2: Convert to fraction form
    2,121,893.08/2,922,634.06 = 1,630,923.76/x
  3. Step 3: Cross multiply
    2,121,893.08x = 2,922,634.06 × 1,630,923.76
  4. Step 4: Simplify right side
    2,121,893.08x = 4,766,593,330,239.27
  5. Step 5: Solve for x
    x = 4,766,593,330,239.27/2,121,893.08
  6. Step 6: Final answer
    x = 2,246,387.14

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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.