Finding the Fourth Proportional to 1,511,772.99, 2,085,511.80 and 967,472.43
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Solution
The fourth proportional to 1,511,772.99, 2,085,511.80 and 967,472.43 is: 1,334,641.63
Step by Step Solution
- Step 1: Write the proportion equation
1,511,772.99 : 2,085,511.80 = 967,472.43 : x - Step 2: Convert to fraction form
1,511,772.99/2,085,511.80 = 967,472.43/x - Step 3: Cross multiply
1,511,772.99x = 2,085,511.80 × 967,472.43 - Step 4: Simplify right side
1,511,772.99x = 2,017,675,168,939.67 - Step 5: Solve for x
x = 2,017,675,168,939.67/1,511,772.99 - Step 6: Final answer
x = 1,334,641.63
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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.