Home / 1,911,627.94-2,638,025.67-1,052,169.70

Finding the Fourth Proportional to 1,911,627.94, 2,638,025.67 and 1,052,169.70

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Solution

The fourth proportional to 1,911,627.94, 2,638,025.67 and 1,052,169.70 is: 1,451,982.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,911,627.94 : 2,638,025.67 = 1,052,169.70 : x
  2. Step 2: Convert to fraction form
    1,911,627.94/2,638,025.67 = 1,052,169.70/x
  3. Step 3: Cross multiply
    1,911,627.94x = 2,638,025.67 × 1,052,169.70
  4. Step 4: Simplify right side
    1,911,627.94x = 2,775,650,677,796.20
  5. Step 5: Solve for x
    x = 2,775,650,677,796.20/1,911,627.94
  6. Step 6: Final answer
    x = 1,451,982.69

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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.