Finding the Fourth Proportional to 5,204,865.60, 7,801,077.60 and 2,679,220.80
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Solution
The fourth proportional to 5,204,865.60, 7,801,077.60 and 2,679,220.80 is: 4,015,629.02
Step by Step Solution
- Step 1: Write the proportion equation
5,204,865.60 : 7,801,077.60 = 2,679,220.80 : x - Step 2: Convert to fraction form
5,204,865.60/7,801,077.60 = 2,679,220.80/x - Step 3: Cross multiply
5,204,865.60x = 7,801,077.60 × 2,679,220.80 - Step 4: Simplify right side
5,204,865.60x = 20,900,809,368,334.08 - Step 5: Solve for x
x = 20,900,809,368,334.08/5,204,865.60 - Step 6: Final answer
x = 4,015,629.02
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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.