Home / 5,271,842.86-7,275,064.35-2,979,923.02

Finding the Fourth Proportional to 5,271,842.86, 7,275,064.35 and 2,979,923.02

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Solution

The fourth proportional to 5,271,842.86, 7,275,064.35 and 2,979,923.02 is: 4,112,249.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,271,842.86 : 7,275,064.35 = 2,979,923.02 : x
  2. Step 2: Convert to fraction form
    5,271,842.86/7,275,064.35 = 2,979,923.02/x
  3. Step 3: Cross multiply
    5,271,842.86x = 7,275,064.35 × 2,979,923.02
  4. Step 4: Simplify right side
    5,271,842.86x = 21,679,131,728,546.34
  5. Step 5: Solve for x
    x = 21,679,131,728,546.34/5,271,842.86
  6. Step 6: Final answer
    x = 4,112,249.23

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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.