Home / 2,105,583.46-2,905,713.87-1,138,713.73

Finding the Fourth Proportional to 2,105,583.46, 2,905,713.87 and 1,138,713.73

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Solution

The fourth proportional to 2,105,583.46, 2,905,713.87 and 1,138,713.73 is: 1,571,429.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,105,583.46 : 2,905,713.87 = 1,138,713.73 : x
  2. Step 2: Convert to fraction form
    2,105,583.46/2,905,713.87 = 1,138,713.73/x
  3. Step 3: Cross multiply
    2,105,583.46x = 2,905,713.87 × 1,138,713.73
  4. Step 4: Simplify right side
    2,105,583.46x = 3,308,776,279,220.44
  5. Step 5: Solve for x
    x = 3,308,776,279,220.44/2,105,583.46
  6. Step 6: Final answer
    x = 1,571,429.65

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1.5x scale

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.