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Finding the Fourth Proportional to 6,017,979.66, 8,302,632.49 and 3,954,106.82

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Solution

The fourth proportional to 6,017,979.66, 8,302,632.49 and 3,954,106.82 is: 5,455,235.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,017,979.66 : 8,302,632.49 = 3,954,106.82 : x
  2. Step 2: Convert to fraction form
    6,017,979.66/8,302,632.49 = 3,954,106.82/x
  3. Step 3: Cross multiply
    6,017,979.66x = 8,302,632.49 × 3,954,106.82
  4. Step 4: Simplify right side
    6,017,979.66x = 32,829,495,752,662.58
  5. Step 5: Solve for x
    x = 32,829,495,752,662.58/6,017,979.66
  6. Step 6: Final answer
    x = 5,455,235.41

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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.