Home / 2,210,137.38-3,049,957.80-1,230,069.78

Finding the Fourth Proportional to 2,210,137.38, 3,049,957.80 and 1,230,069.78

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Solution

The fourth proportional to 2,210,137.38, 3,049,957.80 and 1,230,069.78 is: 1,697,478.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,210,137.38 : 3,049,957.80 = 1,230,069.78 : x
  2. Step 2: Convert to fraction form
    2,210,137.38/3,049,957.80 = 1,230,069.78/x
  3. Step 3: Cross multiply
    2,210,137.38x = 3,049,957.80 × 1,230,069.78
  4. Step 4: Simplify right side
    2,210,137.38x = 3,751,660,920,055.28
  5. Step 5: Solve for x
    x = 3,751,660,920,055.28/2,210,137.38
  6. Step 6: Final answer
    x = 1,697,478.61

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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.