Finding the Fourth Proportional to 6,889,643.82, 10,335,959.27 and 2,097,207.84
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Solution
The fourth proportional to 6,889,643.82, 10,335,959.27 and 2,097,207.84 is: 3,146,266.39
Step by Step Solution
- Step 1: Write the proportion equation
6,889,643.82 : 10,335,959.27 = 2,097,207.84 : x - Step 2: Convert to fraction form
6,889,643.82/10,335,959.27 = 2,097,207.84/x - Step 3: Cross multiply
6,889,643.82x = 10,335,959.27 × 2,097,207.84 - Step 4: Simplify right side
6,889,643.82x = 21,676,654,804,478.64 - Step 5: Solve for x
x = 21,676,654,804,478.64/6,889,643.82 - Step 6: Final answer
x = 3,146,266.39
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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.