Finding the Fourth Proportional to 3,772,071.78, 5,658,245.16 and 1,343,403.66
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Solution
The fourth proportional to 3,772,071.78, 5,658,245.16 and 1,343,403.66 is: 2,015,154.46
Step by Step Solution
- Step 1: Write the proportion equation
3,772,071.78 : 5,658,245.16 = 1,343,403.66 : x - Step 2: Convert to fraction form
3,772,071.78/5,658,245.16 = 1,343,403.66/x - Step 3: Cross multiply
3,772,071.78x = 5,658,245.16 × 1,343,403.66 - Step 4: Simplify right side
3,772,071.78x = 7,601,307,257,121.29 - Step 5: Solve for x
x = 7,601,307,257,121.29/3,772,071.78 - Step 6: Final answer
x = 2,015,154.46
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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.