Home / 2,177,588.22-3,005,147.40-1,210,759.26

Finding the Fourth Proportional to 2,177,588.22, 3,005,147.40 and 1,210,759.26

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Solution

The fourth proportional to 2,177,588.22, 3,005,147.40 and 1,210,759.26 is: 1,670,889.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,177,588.22 : 3,005,147.40 = 1,210,759.26 : x
  2. Step 2: Convert to fraction form
    2,177,588.22/3,005,147.40 = 1,210,759.26/x
  3. Step 3: Cross multiply
    2,177,588.22x = 3,005,147.40 × 1,210,759.26
  4. Step 4: Simplify right side
    2,177,588.22x = 3,638,510,042,214.92
  5. Step 5: Solve for x
    x = 3,638,510,042,214.92/2,177,588.22
  6. Step 6: Final answer
    x = 1,670,889.84

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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.