Finding the Fourth Proportional to 4,473,184.10, 6,709,997.58 and 1,278,780.82
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Solution
The fourth proportional to 4,473,184.10, 6,709,997.58 and 1,278,780.82 is: 1,918,234.53
Step by Step Solution
- Step 1: Write the proportion equation
4,473,184.10 : 6,709,997.58 = 1,278,780.82 : x - Step 2: Convert to fraction form
4,473,184.10/6,709,997.58 = 1,278,780.82/x - Step 3: Cross multiply
4,473,184.10x = 6,709,997.58 × 1,278,780.82 - Step 4: Simplify right side
4,473,184.10x = 8,580,616,185,979.99 - Step 5: Solve for x
x = 8,580,616,185,979.99/4,473,184.10 - Step 6: Final answer
x = 1,918,234.53
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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.