Home / 3,906,338.37-5,390,746.20-2,164,120.98

Finding the Fourth Proportional to 3,906,338.37, 5,390,746.20 and 2,164,120.98

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Solution

The fourth proportional to 3,906,338.37, 5,390,746.20 and 2,164,120.98 is: 2,986,486.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,906,338.37 : 5,390,746.20 = 2,164,120.98 : x
  2. Step 2: Convert to fraction form
    3,906,338.37/5,390,746.20 = 2,164,120.98/x
  3. Step 3: Cross multiply
    3,906,338.37x = 5,390,746.20 × 2,164,120.98
  4. Step 4: Simplify right side
    3,906,338.37x = 11,666,226,949,275.28
  5. Step 5: Solve for x
    x = 11,666,226,949,275.28/3,906,338.37
  6. Step 6: Final answer
    x = 2,986,486.54

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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.