Finding the Fourth Proportional to 6,770,725.29, 9,343,599.87 and 3,870,178.44
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Solution
The fourth proportional to 6,770,725.29, 9,343,599.87 and 3,870,178.44 is: 5,340,845.66
Step by Step Solution
- Step 1: Write the proportion equation
6,770,725.29 : 9,343,599.87 = 3,870,178.44 : x - Step 2: Convert to fraction form
6,770,725.29/9,343,599.87 = 3,870,178.44/x - Step 3: Cross multiply
6,770,725.29x = 9,343,599.87 × 3,870,178.44 - Step 4: Simplify right side
6,770,725.29x = 36,161,398,768,860.80 - Step 5: Solve for x
x = 36,161,398,768,860.80/6,770,725.29 - Step 6: Final answer
x = 5,340,845.66
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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.