Home / 2,083,661.40-3,125,492.10-1,285,843.80

Finding the Fourth Proportional to 2,083,661.40, 3,125,492.10 and 1,285,843.80

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Solution

The fourth proportional to 2,083,661.40, 3,125,492.10 and 1,285,843.80 is: 1,928,765.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,083,661.40 : 3,125,492.10 = 1,285,843.80 : x
  2. Step 2: Convert to fraction form
    2,083,661.40/3,125,492.10 = 1,285,843.80/x
  3. Step 3: Cross multiply
    2,083,661.40x = 3,125,492.10 × 1,285,843.80
  4. Step 4: Simplify right side
    2,083,661.40x = 4,018,894,638,733.98
  5. Step 5: Solve for x
    x = 4,018,894,638,733.98/2,083,661.40
  6. Step 6: Final answer
    x = 1,928,765.70

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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.