Finding the Fourth Proportional to 4,091,241.12, 6,137,107.72 and 1,251,377.88
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Solution
The fourth proportional to 4,091,241.12, 6,137,107.72 and 1,251,377.88 is: 1,877,142.08
Step by Step Solution
- Step 1: Write the proportion equation
4,091,241.12 : 6,137,107.72 = 1,251,377.88 : x - Step 2: Convert to fraction form
4,091,241.12/6,137,107.72 = 1,251,377.88/x - Step 3: Cross multiply
4,091,241.12x = 6,137,107.72 × 1,251,377.88 - Step 4: Simplify right side
4,091,241.12x = 7,679,840,847,985.23 - Step 5: Solve for x
x = 7,679,840,847,985.23/4,091,241.12 - Step 6: Final answer
x = 1,877,142.08
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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.