Home / 2,079,213.57-2,870,664.30-1,861,044.12

Finding the Fourth Proportional to 2,079,213.57, 2,870,664.30 and 1,861,044.12

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Solution

The fourth proportional to 2,079,213.57, 2,870,664.30 and 1,861,044.12 is: 2,569,448.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079,213.57 : 2,870,664.30 = 1,861,044.12 : x
  2. Step 2: Convert to fraction form
    2,079,213.57/2,870,664.30 = 1,861,044.12/x
  3. Step 3: Cross multiply
    2,079,213.57x = 2,870,664.30 × 1,861,044.12
  4. Step 4: Simplify right side
    2,079,213.57x = 5,342,432,916,008.92
  5. Step 5: Solve for x
    x = 5,342,432,916,008.92/2,079,213.57
  6. Step 6: Final answer
    x = 2,569,448.85

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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.