Home / 3,042,478.91-4,198,461.36-1,665,558.83

Finding the Fourth Proportional to 3,042,478.91, 4,198,461.36 and 1,665,558.83

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Solution

The fourth proportional to 3,042,478.91, 4,198,461.36 and 1,665,558.83 is: 2,298,383.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,042,478.91 : 4,198,461.36 = 1,665,558.83 : x
  2. Step 2: Convert to fraction form
    3,042,478.91/4,198,461.36 = 1,665,558.83/x
  3. Step 3: Cross multiply
    3,042,478.91x = 4,198,461.36 × 1,665,558.83
  4. Step 4: Simplify right side
    3,042,478.91x = 6,992,784,390,561.81
  5. Step 5: Solve for x
    x = 6,992,784,390,561.81/3,042,478.91
  6. Step 6: Final answer
    x = 2,298,383.85

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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.