Home / 3,136,790.70-4,694,688.45-2,192,006.70

Finding the Fourth Proportional to 3,136,790.70, 4,694,688.45 and 2,192,006.70

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Solution

The fourth proportional to 3,136,790.70, 4,694,688.45 and 2,192,006.70 is: 3,280,674.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,136,790.70 : 4,694,688.45 = 2,192,006.70 : x
  2. Step 2: Convert to fraction form
    3,136,790.70/4,694,688.45 = 2,192,006.70/x
  3. Step 3: Cross multiply
    3,136,790.70x = 4,694,688.45 × 2,192,006.70
  4. Step 4: Simplify right side
    3,136,790.70x = 10,290,788,536,812.62
  5. Step 5: Solve for x
    x = 10,290,788,536,812.62/3,136,790.70
  6. Step 6: Final answer
    x = 3,280,674.27

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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.