Home / 1,911,626.94-2,638,024.29-1,052,168.70

Finding the Fourth Proportional to 1,911,626.94, 2,638,024.29 and 1,052,168.70

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Solution

The fourth proportional to 1,911,626.94, 2,638,024.29 and 1,052,168.70 is: 1,451,981.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,911,626.94 : 2,638,024.29 = 1,052,168.70 : x
  2. Step 2: Convert to fraction form
    1,911,626.94/2,638,024.29 = 1,052,168.70/x
  3. Step 3: Cross multiply
    1,911,626.94x = 2,638,024.29 × 1,052,168.70
  4. Step 4: Simplify right side
    1,911,626.94x = 2,775,646,587,777.72
  5. Step 5: Solve for x
    x = 2,775,646,587,777.72/1,911,626.94
  6. Step 6: Final answer
    x = 1,451,981.31

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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.