Home / 1,874,608.31-2,586,227.06-1,089,543.78

Finding the Fourth Proportional to 1,874,608.31, 2,586,227.06 and 1,089,543.78

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Solution

The fourth proportional to 1,874,608.31, 2,586,227.06 and 1,089,543.78 is: 1,503,144.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,874,608.31 : 2,586,227.06 = 1,089,543.78 : x
  2. Step 2: Convert to fraction form
    1,874,608.31/2,586,227.06 = 1,089,543.78/x
  3. Step 3: Cross multiply
    1,874,608.31x = 2,586,227.06 × 1,089,543.78
  4. Step 4: Simplify right side
    1,874,608.31x = 2,817,807,601,442.97
  5. Step 5: Solve for x
    x = 2,817,807,601,442.97/1,874,608.31
  6. Step 6: Final answer
    x = 1,503,144.73

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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.