Home / 2,177,568.57-3,005,041.91-1,210,668.33

Finding the Fourth Proportional to 2,177,568.57, 3,005,041.91 and 1,210,668.33

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Solution

The fourth proportional to 2,177,568.57, 3,005,041.91 and 1,210,668.33 is: 1,670,720.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,177,568.57 : 3,005,041.91 = 1,210,668.33 : x
  2. Step 2: Convert to fraction form
    2,177,568.57/3,005,041.91 = 1,210,668.33/x
  3. Step 3: Cross multiply
    2,177,568.57x = 3,005,041.91 × 1,210,668.33
  4. Step 4: Simplify right side
    2,177,568.57x = 3,638,109,064,706.37
  5. Step 5: Solve for x
    x = 3,638,109,064,706.37/2,177,568.57
  6. Step 6: Final answer
    x = 1,670,720.78

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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.