Home / 1,969,557.75-2,720,231.70-1,323,856.94

Finding the Fourth Proportional to 1,969,557.75, 2,720,231.70 and 1,323,856.94

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Solution

The fourth proportional to 1,969,557.75, 2,720,231.70 and 1,323,856.94 is: 1,828,429.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,969,557.75 : 2,720,231.70 = 1,323,856.94 : x
  2. Step 2: Convert to fraction form
    1,969,557.75/2,720,231.70 = 1,323,856.94/x
  3. Step 3: Cross multiply
    1,969,557.75x = 2,720,231.70 × 1,323,856.94
  4. Step 4: Simplify right side
    1,969,557.75x = 3,601,197,600,851.84
  5. Step 5: Solve for x
    x = 3,601,197,600,851.84/1,969,557.75
  6. Step 6: Final answer
    x = 1,828,429.56

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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.