Finding the Fourth Proportional to 6,484,619.40, 9,718,516.44 and 2,641,972.92
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Solution
The fourth proportional to 6,484,619.40, 9,718,516.44 and 2,641,972.92 is: 3,959,531.88
Step by Step Solution
- Step 1: Write the proportion equation
6,484,619.40 : 9,718,516.44 = 2,641,972.92 : x - Step 2: Convert to fraction form
6,484,619.40/9,718,516.44 = 2,641,972.92/x - Step 3: Cross multiply
6,484,619.40x = 9,718,516.44 × 2,641,972.92 - Step 4: Simplify right side
6,484,619.40x = 25,676,057,257,054.80 - Step 5: Solve for x
x = 25,676,057,257,054.80/6,484,619.40 - Step 6: Final answer
x = 3,959,531.88
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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.