Home / 2,081,943.80-3,122,915.70-662,143.40

Finding the Fourth Proportional to 2,081,943.80, 3,122,915.70 and 662,143.40

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Solution

The fourth proportional to 2,081,943.80, 3,122,915.70 and 662,143.40 is: 993,215.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,081,943.80 : 3,122,915.70 = 662,143.40 : x
  2. Step 2: Convert to fraction form
    2,081,943.80/3,122,915.70 = 662,143.40/x
  3. Step 3: Cross multiply
    2,081,943.80x = 3,122,915.70 × 662,143.40
  4. Step 4: Simplify right side
    2,081,943.80x = 2,067,818,019,511.38
  5. Step 5: Solve for x
    x = 2,067,818,019,511.38/2,081,943.80
  6. Step 6: Final answer
    x = 993,215.10

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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.