Finding the Fourth Proportional to 5,137,480.50, 7,089,723.09 and 2,845,789.62
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Solution
The fourth proportional to 5,137,480.50, 7,089,723.09 and 2,845,789.62 is: 3,927,189.68
Step by Step Solution
- Step 1: Write the proportion equation
5,137,480.50 : 7,089,723.09 = 2,845,789.62 : x - Step 2: Convert to fraction form
5,137,480.50/7,089,723.09 = 2,845,789.62/x - Step 3: Cross multiply
5,137,480.50x = 7,089,723.09 × 2,845,789.62 - Step 4: Simplify right side
5,137,480.50x = 20,175,860,378,196.32 - Step 5: Solve for x
x = 20,175,860,378,196.32/5,137,480.50 - Step 6: Final answer
x = 3,927,189.68
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1.5x scale
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.