Home / 1,900,532.25-2,620,632.84-1,211,112

Finding the Fourth Proportional to 1,900,532.25, 2,620,632.84 and 1,211,112

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Solution

The fourth proportional to 1,900,532.25, 2,620,632.84 and 1,211,112 is: 1,669,995.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,900,532.25 : 2,620,632.84 = 1,211,112 : x
  2. Step 2: Convert to fraction form
    1,900,532.25/2,620,632.84 = 1,211,112/x
  3. Step 3: Cross multiply
    1,900,532.25x = 2,620,632.84 × 1,211,112
  4. Step 4: Simplify right side
    1,900,532.25x = 3,173,879,880,118.08
  5. Step 5: Solve for x
    x = 3,173,879,880,118.08/1,900,532.25
  6. Step 6: Final answer
    x = 1,669,995.28

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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.