Finding the Fourth Proportional to 3,077,962.35, 4,250,311.62 and 1,918,387.62
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Solution
The fourth proportional to 3,077,962.35, 4,250,311.62 and 1,918,387.62 is: 2,649,072.43
Step by Step Solution
- Step 1: Write the proportion equation
3,077,962.35 : 4,250,311.62 = 1,918,387.62 : x - Step 2: Convert to fraction form
3,077,962.35/4,250,311.62 = 1,918,387.62/x - Step 3: Cross multiply
3,077,962.35x = 4,250,311.62 × 1,918,387.62 - Step 4: Simplify right side
3,077,962.35x = 8,153,745,192,950.15 - Step 5: Solve for x
x = 8,153,745,192,950.15/3,077,962.35 - Step 6: Final answer
x = 2,649,072.43
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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.