Home / 2,824,672.20-4,237,008.30-905,579.70

Finding the Fourth Proportional to 2,824,672.20, 4,237,008.30 and 905,579.70

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Solution

The fourth proportional to 2,824,672.20, 4,237,008.30 and 905,579.70 is: 1,358,369.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,824,672.20 : 4,237,008.30 = 905,579.70 : x
  2. Step 2: Convert to fraction form
    2,824,672.20/4,237,008.30 = 905,579.70/x
  3. Step 3: Cross multiply
    2,824,672.20x = 4,237,008.30 × 905,579.70
  4. Step 4: Simplify right side
    2,824,672.20x = 3,836,948,705,211.51
  5. Step 5: Solve for x
    x = 3,836,948,705,211.51/2,824,672.20
  6. Step 6: Final answer
    x = 1,358,369.55

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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.