Finding the Fourth Proportional to 6,476,445.70, 9,720,889.35 and 3,285,175.30
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Solution
The fourth proportional to 6,476,445.70, 9,720,889.35 and 3,285,175.30 is: 4,930,918.45
Step by Step Solution
- Step 1: Write the proportion equation
6,476,445.70 : 9,720,889.35 = 3,285,175.30 : x - Step 2: Convert to fraction form
6,476,445.70/9,720,889.35 = 3,285,175.30/x - Step 3: Cross multiply
6,476,445.70x = 9,720,889.35 × 3,285,175.30 - Step 4: Simplify right side
6,476,445.70x = 31,934,825,586,653.05 - Step 5: Solve for x
x = 31,934,825,586,653.05/6,476,445.70 - Step 6: Final answer
x = 4,930,918.45
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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.