Home / 5,156,640.58-7,111,286.19-3,387,415.37

Finding the Fourth Proportional to 5,156,640.58, 7,111,286.19 and 3,387,415.37

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Solution

The fourth proportional to 5,156,640.58, 7,111,286.19 and 3,387,415.37 is: 4,671,428.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,156,640.58 : 7,111,286.19 = 3,387,415.37 : x
  2. Step 2: Convert to fraction form
    5,156,640.58/7,111,286.19 = 3,387,415.37/x
  3. Step 3: Cross multiply
    5,156,640.58x = 7,111,286.19 × 3,387,415.37
  4. Step 4: Simplify right side
    5,156,640.58x = 24,088,880,104,918.31
  5. Step 5: Solve for x
    x = 24,088,880,104,918.31/5,156,640.58
  6. Step 6: Final answer
    x = 4,671,428.96

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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.