Finding the Fourth Proportional to 3,190,741.08, 4,403,236.38 and 1,740,468.12
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Solution
The fourth proportional to 3,190,741.08, 4,403,236.38 and 1,740,468.12 is: 2,401,853.47
Step by Step Solution
- Step 1: Write the proportion equation
3,190,741.08 : 4,403,236.38 = 1,740,468.12 : x - Step 2: Convert to fraction form
3,190,741.08/4,403,236.38 = 1,740,468.12/x - Step 3: Cross multiply
3,190,741.08x = 4,403,236.38 × 1,740,468.12 - Step 4: Simplify right side
3,190,741.08x = 7,663,692,544,214.21 - Step 5: Solve for x
x = 7,663,692,544,214.21/3,190,741.08 - Step 6: Final answer
x = 2,401,853.47
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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.