Home / 6,890,780.45-9,509,276.93-3,835,716.41

Finding the Fourth Proportional to 6,890,780.45, 9,509,276.93 and 3,835,716.41

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Solution

The fourth proportional to 6,890,780.45, 9,509,276.93 and 3,835,716.41 is: 5,293,288.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,890,780.45 : 9,509,276.93 = 3,835,716.41 : x
  2. Step 2: Convert to fraction form
    6,890,780.45/9,509,276.93 = 3,835,716.41/x
  3. Step 3: Cross multiply
    6,890,780.45x = 9,509,276.93 × 3,835,716.41
  4. Step 4: Simplify right side
    6,890,780.45x = 36,474,889,500,910.45
  5. Step 5: Solve for x
    x = 36,474,889,500,910.45/6,890,780.45
  6. Step 6: Final answer
    x = 5,293,288.59

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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.