Home / 2,222,500-3,066,427.80-1,395,662.72

Finding the Fourth Proportional to 2,222,500, 3,066,427.80 and 1,395,662.72

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Solution

The fourth proportional to 2,222,500, 3,066,427.80 and 1,395,662.72 is: 1,925,623.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,222,500 : 3,066,427.80 = 1,395,662.72 : x
  2. Step 2: Convert to fraction form
    2,222,500/3,066,427.80 = 1,395,662.72/x
  3. Step 3: Cross multiply
    2,222,500x = 3,066,427.80 × 1,395,662.72
  4. Step 4: Simplify right side
    2,222,500x = 4,279,698,964,031.62
  5. Step 5: Solve for x
    x = 4,279,698,964,031.62/2,222,500
  6. Step 6: Final answer
    x = 1,925,623.83

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1.5x scale

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.