Home / 2,428,021.32-3,642,029.55-722,157.81

Finding the Fourth Proportional to 2,428,021.32, 3,642,029.55 and 722,157.81

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Solution

The fourth proportional to 2,428,021.32, 3,642,029.55 and 722,157.81 is: 1,083,235.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,428,021.32 : 3,642,029.55 = 722,157.81 : x
  2. Step 2: Convert to fraction form
    2,428,021.32/3,642,029.55 = 722,157.81/x
  3. Step 3: Cross multiply
    2,428,021.32x = 3,642,029.55 × 722,157.81
  4. Step 4: Simplify right side
    2,428,021.32x = 2,630,120,083,783.29
  5. Step 5: Solve for x
    x = 2,630,120,083,783.29/2,428,021.32
  6. Step 6: Final answer
    x = 1,083,235.99

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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.