Home / 5,426,954.88-7,489,231.20-2,979,672.72

Finding the Fourth Proportional to 5,426,954.88, 7,489,231.20 and 2,979,672.72

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Solution

The fourth proportional to 5,426,954.88, 7,489,231.20 and 2,979,672.72 is: 4,111,966.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,426,954.88 : 7,489,231.20 = 2,979,672.72 : x
  2. Step 2: Convert to fraction form
    5,426,954.88/7,489,231.20 = 2,979,672.72/x
  3. Step 3: Cross multiply
    5,426,954.88x = 7,489,231.20 × 2,979,672.72
  4. Step 4: Simplify right side
    5,426,954.88x = 22,315,457,900,412.87
  5. Step 5: Solve for x
    x = 22,315,457,900,412.87/5,426,954.88
  6. Step 6: Final answer
    x = 4,111,966.73

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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.