Home / 4,589,916.40-6,869,128.20-4,212,002.80

Finding the Fourth Proportional to 4,589,916.40, 6,869,128.20 and 4,212,002.80

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Solution

The fourth proportional to 4,589,916.40, 6,869,128.20 and 4,212,002.80 is: 6,303,554.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,589,916.40 : 6,869,128.20 = 4,212,002.80 : x
  2. Step 2: Convert to fraction form
    4,589,916.40/6,869,128.20 = 4,212,002.80/x
  3. Step 3: Cross multiply
    4,589,916.40x = 6,869,128.20 × 4,212,002.80
  4. Step 4: Simplify right side
    4,589,916.40x = 28,932,787,211,958.96
  5. Step 5: Solve for x
    x = 28,932,787,211,958.96/4,589,916.40
  6. Step 6: Final answer
    x = 6,303,554.29

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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.