Home / 2,118,351.24-2,925,706.23-1,640,695.86

Finding the Fourth Proportional to 2,118,351.24, 2,925,706.23 and 1,640,695.86

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Solution

The fourth proportional to 2,118,351.24, 2,925,706.23 and 1,640,695.86 is: 2,266,004.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,118,351.24 : 2,925,706.23 = 1,640,695.86 : x
  2. Step 2: Convert to fraction form
    2,118,351.24/2,925,706.23 = 1,640,695.86/x
  3. Step 3: Cross multiply
    2,118,351.24x = 2,925,706.23 × 1,640,695.86
  4. Step 4: Simplify right side
    2,118,351.24x = 4,800,194,099,137.21
  5. Step 5: Solve for x
    x = 4,800,194,099,137.21/2,118,351.24
  6. Step 6: Final answer
    x = 2,266,004.81

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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.