Finding the Fourth Proportional to 3,512,420.69, 5,268,992.45 and 1,325,832.09
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Solution
The fourth proportional to 3,512,420.69, 5,268,992.45 and 1,325,832.09 is: 1,988,884.55
Step by Step Solution
- Step 1: Write the proportion equation
3,512,420.69 : 5,268,992.45 = 1,325,832.09 : x - Step 2: Convert to fraction form
3,512,420.69/5,268,992.45 = 1,325,832.09/x - Step 3: Cross multiply
3,512,420.69x = 5,268,992.45 × 1,325,832.09 - Step 4: Simplify right side
3,512,420.69x = 6,985,799,249,147.34 - Step 5: Solve for x
x = 6,985,799,249,147.34/3,512,420.69 - Step 6: Final answer
x = 1,988,884.55
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.