Home / 2,979,022.05-4,110,929.37-1,689,834.77

Finding the Fourth Proportional to 2,979,022.05, 4,110,929.37 and 1,689,834.77

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Solution

The fourth proportional to 2,979,022.05, 4,110,929.37 and 1,689,834.77 is: 2,331,903.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,979,022.05 : 4,110,929.37 = 1,689,834.77 : x
  2. Step 2: Convert to fraction form
    2,979,022.05/4,110,929.37 = 1,689,834.77/x
  3. Step 3: Cross multiply
    2,979,022.05x = 4,110,929.37 × 1,689,834.77
  4. Step 4: Simplify right side
    2,979,022.05x = 6,946,791,365,885.55
  5. Step 5: Solve for x
    x = 6,946,791,365,885.55/2,979,022.05
  6. Step 6: Final answer
    x = 2,331,903.31

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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.