Home / 6,464,078.46-8,920,455.30-3,563,405.82

Finding the Fourth Proportional to 6,464,078.46, 8,920,455.30 and 3,563,405.82

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Solution

The fourth proportional to 6,464,078.46, 8,920,455.30 and 3,563,405.82 is: 4,917,514.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,464,078.46 : 8,920,455.30 = 3,563,405.82 : x
  2. Step 2: Convert to fraction form
    6,464,078.46/8,920,455.30 = 3,563,405.82/x
  3. Step 3: Cross multiply
    6,464,078.46x = 8,920,455.30 × 3,563,405.82
  4. Step 4: Simplify right side
    6,464,078.46x = 31,787,202,333,069.85
  5. Step 5: Solve for x
    x = 31,787,202,333,069.85/6,464,078.46
  6. Step 6: Final answer
    x = 4,917,514.93

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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.