Home / 1,912,989.72-2,640,212.82-1,453,347.93

Finding the Fourth Proportional to 1,912,989.72, 2,640,212.82 and 1,453,347.93

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Solution

The fourth proportional to 1,912,989.72, 2,640,212.82 and 1,453,347.93 is: 2,005,838.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,912,989.72 : 2,640,212.82 = 1,453,347.93 : x
  2. Step 2: Convert to fraction form
    1,912,989.72/2,640,212.82 = 1,453,347.93/x
  3. Step 3: Cross multiply
    1,912,989.72x = 2,640,212.82 × 1,453,347.93
  4. Step 4: Simplify right side
    1,912,989.72x = 3,837,147,836,706.46
  5. Step 5: Solve for x
    x = 3,837,147,836,706.46/1,912,989.72
  6. Step 6: Final answer
    x = 2,005,838.19

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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.