Home / 2,891,738.93-3,985,618.70-1,923,138.50

Finding the Fourth Proportional to 2,891,738.93, 3,985,618.70 and 1,923,138.50

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Solution

The fourth proportional to 2,891,738.93, 3,985,618.70 and 1,923,138.50 is: 2,650,618.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,891,738.93 : 3,985,618.70 = 1,923,138.50 : x
  2. Step 2: Convert to fraction form
    2,891,738.93/3,985,618.70 = 1,923,138.50/x
  3. Step 3: Cross multiply
    2,891,738.93x = 3,985,618.70 × 1,923,138.50
  4. Step 4: Simplify right side
    2,891,738.93x = 7,664,896,753,169.70
  5. Step 5: Solve for x
    x = 7,664,896,753,169.70/2,891,738.93
  6. Step 6: Final answer
    x = 2,650,618.52

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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.