Home / 1,912,993.80-2,640,218.45-1,453,352.01

Finding the Fourth Proportional to 1,912,993.80, 2,640,218.45 and 1,453,352.01

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Solution

The fourth proportional to 1,912,993.80, 2,640,218.45 and 1,453,352.01 is: 2,005,843.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,912,993.80 : 2,640,218.45 = 1,453,352.01 : x
  2. Step 2: Convert to fraction form
    1,912,993.80/2,640,218.45 = 1,453,352.01/x
  3. Step 3: Cross multiply
    1,912,993.80x = 2,640,218.45 × 1,453,352.01
  4. Step 4: Simplify right side
    1,912,993.80x = 3,837,166,791,146.59
  5. Step 5: Solve for x
    x = 3,837,166,791,146.59/1,912,993.80
  6. Step 6: Final answer
    x = 2,005,843.82

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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.