Home / 2,086,682.08-3,130,472.40-647,336.32

Finding the Fourth Proportional to 2,086,682.08, 3,130,472.40 and 647,336.32

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Solution

The fourth proportional to 2,086,682.08, 3,130,472.40 and 647,336.32 is: 971,143.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,086,682.08 : 3,130,472.40 = 647,336.32 : x
  2. Step 2: Convert to fraction form
    2,086,682.08/3,130,472.40 = 647,336.32/x
  3. Step 3: Cross multiply
    2,086,682.08x = 3,130,472.40 × 647,336.32
  4. Step 4: Simplify right side
    2,086,682.08x = 2,026,468,483,277.57
  5. Step 5: Solve for x
    x = 2,026,468,483,277.57/2,086,682.08
  6. Step 6: Final answer
    x = 971,143.86

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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.