Home / 6,890,778.95-9,509,274.86-3,835,714.91

Finding the Fourth Proportional to 6,890,778.95, 9,509,274.86 and 3,835,714.91

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Solution

The fourth proportional to 6,890,778.95, 9,509,274.86 and 3,835,714.91 is: 5,293,286.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,890,778.95 : 9,509,274.86 = 3,835,714.91 : x
  2. Step 2: Convert to fraction form
    6,890,778.95/9,509,274.86 = 3,835,714.91/x
  3. Step 3: Cross multiply
    6,890,778.95x = 9,509,274.86 × 3,835,714.91
  4. Step 4: Simplify right side
    6,890,778.95x = 36,474,867,297,065.21
  5. Step 5: Solve for x
    x = 36,474,867,297,065.21/6,890,778.95
  6. Step 6: Final answer
    x = 5,293,286.52

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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.