Finding the Fourth Proportional to 5,137,482, 7,089,725.16 and 2,845,791.12
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Solution
The fourth proportional to 5,137,482, 7,089,725.16 and 2,845,791.12 is: 3,927,191.75
Step by Step Solution
- Step 1: Write the proportion equation
5,137,482 : 7,089,725.16 = 2,845,791.12 : x - Step 2: Convert to fraction form
5,137,482/7,089,725.16 = 2,845,791.12/x - Step 3: Cross multiply
5,137,482x = 7,089,725.16 × 2,845,791.12 - Step 4: Simplify right side
5,137,482x = 20,175,876,903,568.58 - Step 5: Solve for x
x = 20,175,876,903,568.58/5,137,482 - Step 6: Final answer
x = 3,927,191.75
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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.