Home / 3,212,415.72-4,812,197.78-1,932,316.74

Finding the Fourth Proportional to 3,212,415.72, 4,812,197.78 and 1,932,316.74

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Solution

The fourth proportional to 3,212,415.72, 4,812,197.78 and 1,932,316.74 is: 2,894,609.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212,415.72 : 4,812,197.78 = 1,932,316.74 : x
  2. Step 2: Convert to fraction form
    3,212,415.72/4,812,197.78 = 1,932,316.74/x
  3. Step 3: Cross multiply
    3,212,415.72x = 4,812,197.78 × 1,932,316.74
  4. Step 4: Simplify right side
    3,212,415.72x = 9,298,690,326,484.84
  5. Step 5: Solve for x
    x = 9,298,690,326,484.84/3,212,415.72
  6. Step 6: Final answer
    x = 2,894,609.89

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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.