Home / 2,781,083.80-4,171,625.70-2,586,222.10

Finding the Fourth Proportional to 2,781,083.80, 4,171,625.70 and 2,586,222.10

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Solution

The fourth proportional to 2,781,083.80, 4,171,625.70 and 2,586,222.10 is: 3,879,333.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,781,083.80 : 4,171,625.70 = 2,586,222.10 : x
  2. Step 2: Convert to fraction form
    2,781,083.80/4,171,625.70 = 2,586,222.10/x
  3. Step 3: Cross multiply
    2,781,083.80x = 4,171,625.70 × 2,586,222.10
  4. Step 4: Simplify right side
    2,781,083.80x = 10,788,750,578,267.97
  5. Step 5: Solve for x
    x = 10,788,750,578,267.97/2,781,083.80
  6. Step 6: Final answer
    x = 3,879,333.15

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1.5x scale

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.