Home / 1,836,686.33-2,755,091.01-638,619.02

Finding the Fourth Proportional to 1,836,686.33, 2,755,091.01 and 638,619.02

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Solution

The fourth proportional to 1,836,686.33, 2,755,091.01 and 638,619.02 is: 957,949.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,836,686.33 : 2,755,091.01 = 638,619.02 : x
  2. Step 2: Convert to fraction form
    1,836,686.33/2,755,091.01 = 638,619.02/x
  3. Step 3: Cross multiply
    1,836,686.33x = 2,755,091.01 × 638,619.02
  4. Step 4: Simplify right side
    1,836,686.33x = 1,759,453,507,041.56
  5. Step 5: Solve for x
    x = 1,759,453,507,041.56/1,836,686.33
  6. Step 6: Final answer
    x = 957,949.91

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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.