Home / 2,662,271.08-3,993,406.60-640,514.96

Finding the Fourth Proportional to 2,662,271.08, 3,993,406.60 and 640,514.96

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Solution

The fourth proportional to 2,662,271.08, 3,993,406.60 and 640,514.96 is: 960,772.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,662,271.08 : 3,993,406.60 = 640,514.96 : x
  2. Step 2: Convert to fraction form
    2,662,271.08/3,993,406.60 = 640,514.96/x
  3. Step 3: Cross multiply
    2,662,271.08x = 3,993,406.60 × 640,514.96
  4. Step 4: Simplify right side
    2,662,271.08x = 2,557,836,668,662.74
  5. Step 5: Solve for x
    x = 2,557,836,668,662.74/2,662,271.08
  6. Step 6: Final answer
    x = 960,772.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.