Finding the Fourth Proportional to 3,291,603.62, 4,542,589.55 and 1,841,212.55
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Solution
The fourth proportional to 3,291,603.62, 4,542,589.55 and 1,841,212.55 is: 2,540,972.09
Step by Step Solution
- Step 1: Write the proportion equation
3,291,603.62 : 4,542,589.55 = 1,841,212.55 : x - Step 2: Convert to fraction form
3,291,603.62/4,542,589.55 = 1,841,212.55/x - Step 3: Cross multiply
3,291,603.62x = 4,542,589.55 × 1,841,212.55 - Step 4: Simplify right side
3,291,603.62x = 8,363,872,904,918.36 - Step 5: Solve for x
x = 8,363,872,904,918.36/3,291,603.62 - Step 6: Final answer
x = 2,540,972.09
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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.