Finding the Fourth Proportional to 6,880,161.36, 10,319,979.24 and 2,087,657.04
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Solution
The fourth proportional to 6,880,161.36, 10,319,979.24 and 2,087,657.04 is: 3,131,405.82
Step by Step Solution
- Step 1: Write the proportion equation
6,880,161.36 : 10,319,979.24 = 2,087,657.04 : x - Step 2: Convert to fraction form
6,880,161.36/10,319,979.24 = 2,087,657.04/x - Step 3: Cross multiply
6,880,161.36x = 10,319,979.24 × 2,087,657.04 - Step 4: Simplify right side
6,880,161.36x = 21,544,577,313,039.85 - Step 5: Solve for x
x = 21,544,577,313,039.85/6,880,161.36 - Step 6: Final answer
x = 3,131,405.82
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.