Home / 3,071,020.50-4,239,367.14-1,983,822.12

Finding the Fourth Proportional to 3,071,020.50, 4,239,367.14 and 1,983,822.12

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Solution

The fourth proportional to 3,071,020.50, 4,239,367.14 and 1,983,822.12 is: 2,738,552.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,071,020.50 : 4,239,367.14 = 1,983,822.12 : x
  2. Step 2: Convert to fraction form
    3,071,020.50/4,239,367.14 = 1,983,822.12/x
  3. Step 3: Cross multiply
    3,071,020.50x = 4,239,367.14 × 1,983,822.12
  4. Step 4: Simplify right side
    3,071,020.50x = 8,410,150,307,133.14
  5. Step 5: Solve for x
    x = 8,410,150,307,133.14/3,071,020.50
  6. Step 6: Final answer
    x = 2,738,552.32

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1.5x scale

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.