Home / 1,789,903.40-2,686,323.90-1,775,906.60

Finding the Fourth Proportional to 1,789,903.40, 2,686,323.90 and 1,775,906.60

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Solution

The fourth proportional to 1,789,903.40, 2,686,323.90 and 1,775,906.60 is: 2,665,317.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,789,903.40 : 2,686,323.90 = 1,775,906.60 : x
  2. Step 2: Convert to fraction form
    1,789,903.40/2,686,323.90 = 1,775,906.60/x
  3. Step 3: Cross multiply
    1,789,903.40x = 2,686,323.90 × 1,775,906.60
  4. Step 4: Simplify right side
    1,789,903.40x = 4,770,660,343,747.74
  5. Step 5: Solve for x
    x = 4,770,660,343,747.74/1,789,903.40
  6. Step 6: Final answer
    x = 2,665,317.21

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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.