Home / 1,622,189.37-2,434,746.61-864,661.78

Finding the Fourth Proportional to 1,622,189.37, 2,434,746.61 and 864,661.78

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Solution

The fourth proportional to 1,622,189.37, 2,434,746.61 and 864,661.78 is: 1,297,772.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,622,189.37 : 2,434,746.61 = 864,661.78 : x
  2. Step 2: Convert to fraction form
    1,622,189.37/2,434,746.61 = 864,661.78/x
  3. Step 3: Cross multiply
    1,622,189.37x = 2,434,746.61 × 864,661.78
  4. Step 4: Simplify right side
    1,622,189.37x = 2,105,232,323,316.18
  5. Step 5: Solve for x
    x = 2,105,232,323,316.18/1,622,189.37
  6. Step 6: Final answer
    x = 1,297,772.24

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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.