Home / 2,979,023.05-4,110,930.75-1,689,835.77

Finding the Fourth Proportional to 2,979,023.05, 4,110,930.75 and 1,689,835.77

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Solution

The fourth proportional to 2,979,023.05, 4,110,930.75 and 1,689,835.77 is: 2,331,904.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,979,023.05 : 4,110,930.75 = 1,689,835.77 : x
  2. Step 2: Convert to fraction form
    2,979,023.05/4,110,930.75 = 1,689,835.77/x
  3. Step 3: Cross multiply
    2,979,023.05x = 4,110,930.75 × 1,689,835.77
  4. Step 4: Simplify right side
    2,979,023.05x = 6,946,797,829,342.93
  5. Step 5: Solve for x
    x = 6,946,797,829,342.93/2,979,023.05
  6. Step 6: Final answer
    x = 2,331,904.69

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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.