Home / 1,912,989.80-2,640,212.93-1,453,348.01

Finding the Fourth Proportional to 1,912,989.80, 2,640,212.93 and 1,453,348.01

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Solution

The fourth proportional to 1,912,989.80, 2,640,212.93 and 1,453,348.01 is: 2,005,838.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,912,989.80 : 2,640,212.93 = 1,453,348.01 : x
  2. Step 2: Convert to fraction form
    1,912,989.80/2,640,212.93 = 1,453,348.01/x
  3. Step 3: Cross multiply
    1,912,989.80x = 2,640,212.93 × 1,453,348.01
  4. Step 4: Simplify right side
    1,912,989.80x = 3,837,148,207,791.77
  5. Step 5: Solve for x
    x = 3,837,148,207,791.77/1,912,989.80
  6. Step 6: Final answer
    x = 2,005,838.30

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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.