Home / 1,828,512.78-2,523,366.18-1,103,220.36

Finding the Fourth Proportional to 1,828,512.78, 2,523,366.18 and 1,103,220.36

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Solution

The fourth proportional to 1,828,512.78, 2,523,366.18 and 1,103,220.36 is: 1,522,455.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,828,512.78 : 2,523,366.18 = 1,103,220.36 : x
  2. Step 2: Convert to fraction form
    1,828,512.78/2,523,366.18 = 1,103,220.36/x
  3. Step 3: Cross multiply
    1,828,512.78x = 2,523,366.18 × 1,103,220.36
  4. Step 4: Simplify right side
    1,828,512.78x = 2,783,828,945,511.43
  5. Step 5: Solve for x
    x = 2,783,828,945,511.43/1,828,512.78
  6. Step 6: Final answer
    x = 1,522,455.28

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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.