Home / 1,912,992.80-2,640,217.07-1,453,351.01

Finding the Fourth Proportional to 1,912,992.80, 2,640,217.07 and 1,453,351.01

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Solution

The fourth proportional to 1,912,992.80, 2,640,217.07 and 1,453,351.01 is: 2,005,842.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,912,992.80 : 2,640,217.07 = 1,453,351.01 : x
  2. Step 2: Convert to fraction form
    1,912,992.80/2,640,217.07 = 1,453,351.01/x
  3. Step 3: Cross multiply
    1,912,992.80x = 2,640,217.07 × 1,453,351.01
  4. Step 4: Simplify right side
    1,912,992.80x = 3,837,162,145,303.74
  5. Step 5: Solve for x
    x = 3,837,162,145,303.74/1,912,992.80
  6. Step 6: Final answer
    x = 2,005,842.44

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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.