Home / 5,019,967.12-6,927,608.64-2,728,128.28

Finding the Fourth Proportional to 5,019,967.12, 6,927,608.64 and 2,728,128.28

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Solution

The fourth proportional to 5,019,967.12, 6,927,608.64 and 2,728,128.28 is: 3,764,846.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,019,967.12 : 6,927,608.64 = 2,728,128.28 : x
  2. Step 2: Convert to fraction form
    5,019,967.12/6,927,608.64 = 2,728,128.28/x
  3. Step 3: Cross multiply
    5,019,967.12x = 6,927,608.64 × 2,728,128.28
  4. Step 4: Simplify right side
    5,019,967.12x = 18,899,405,043,556.34
  5. Step 5: Solve for x
    x = 18,899,405,043,556.34/5,019,967.12
  6. Step 6: Final answer
    x = 3,764,846.38

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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.