Home / 1,820,960.70-2,512,911.60-1,005,164.64

Finding the Fourth Proportional to 1,820,960.70, 2,512,911.60 and 1,005,164.64

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Solution

The fourth proportional to 1,820,960.70, 2,512,911.60 and 1,005,164.64 is: 1,387,119.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820,960.70 : 2,512,911.60 = 1,005,164.64 : x
  2. Step 2: Convert to fraction form
    1,820,960.70/2,512,911.60 = 1,005,164.64/x
  3. Step 3: Cross multiply
    1,820,960.70x = 2,512,911.60 × 1,005,164.64
  4. Step 4: Simplify right side
    1,820,960.70x = 2,525,889,883,765.82
  5. Step 5: Solve for x
    x = 2,525,889,883,765.82/1,820,960.70
  6. Step 6: Final answer
    x = 1,387,119.39

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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.