Home / 2,048,469.80-3,072,704.70-1,292,642.60

Finding the Fourth Proportional to 2,048,469.80, 3,072,704.70 and 1,292,642.60

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Solution

The fourth proportional to 2,048,469.80, 3,072,704.70 and 1,292,642.60 is: 1,938,963.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,048,469.80 : 3,072,704.70 = 1,292,642.60 : x
  2. Step 2: Convert to fraction form
    2,048,469.80/3,072,704.70 = 1,292,642.60/x
  3. Step 3: Cross multiply
    2,048,469.80x = 3,072,704.70 × 1,292,642.60
  4. Step 4: Simplify right side
    2,048,469.80x = 3,971,908,992,440.22
  5. Step 5: Solve for x
    x = 3,971,908,992,440.22/2,048,469.80
  6. Step 6: Final answer
    x = 1,938,963.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.