Home / 2,526,628.20-3,789,942.30-2,128,047.45

Finding the Fourth Proportional to 2,526,628.20, 3,789,942.30 and 2,128,047.45

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Solution

The fourth proportional to 2,526,628.20, 3,789,942.30 and 2,128,047.45 is: 3,192,071.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,526,628.20 : 3,789,942.30 = 2,128,047.45 : x
  2. Step 2: Convert to fraction form
    2,526,628.20/3,789,942.30 = 2,128,047.45/x
  3. Step 3: Cross multiply
    2,526,628.20x = 3,789,942.30 × 2,128,047.45
  4. Step 4: Simplify right side
    2,526,628.20x = 8,065,177,047,162.14
  5. Step 5: Solve for x
    x = 8,065,177,047,162.14/2,526,628.20
  6. Step 6: Final answer
    x = 3,192,071.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.