Home / 3,959,471.76-5,464,071.04-2,148,635.76

Finding the Fourth Proportional to 3,959,471.76, 5,464,071.04 and 2,148,635.76

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Solution

The fourth proportional to 3,959,471.76, 5,464,071.04 and 2,148,635.76 is: 2,965,117.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,959,471.76 : 5,464,071.04 = 2,148,635.76 : x
  2. Step 2: Convert to fraction form
    3,959,471.76/5,464,071.04 = 2,148,635.76/x
  3. Step 3: Cross multiply
    3,959,471.76x = 5,464,071.04 × 2,148,635.76
  4. Step 4: Simplify right side
    3,959,471.76x = 11,740,298,431,724.39
  5. Step 5: Solve for x
    x = 11,740,298,431,724.39/3,959,471.76
  6. Step 6: Final answer
    x = 2,965,117.35

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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.