Home / 2,071,195.89-2,859,134.85-1,392,526.05

Finding the Fourth Proportional to 2,071,195.89, 2,859,134.85 and 1,392,526.05

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Solution

The fourth proportional to 2,071,195.89, 2,859,134.85 and 1,392,526.05 is: 1,922,280.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,071,195.89 : 2,859,134.85 = 1,392,526.05 : x
  2. Step 2: Convert to fraction form
    2,071,195.89/2,859,134.85 = 1,392,526.05/x
  3. Step 3: Cross multiply
    2,071,195.89x = 2,859,134.85 × 1,392,526.05
  4. Step 4: Simplify right side
    2,071,195.89x = 3,981,419,759,087.84
  5. Step 5: Solve for x
    x = 3,981,419,759,087.84/2,071,195.89
  6. Step 6: Final answer
    x = 1,922,280.64

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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.