Finding the Fourth Proportional to 1,935,979.16, 2,671,653.47 and 1,076,520.97
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Solution
The fourth proportional to 1,935,979.16, 2,671,653.47 and 1,076,520.97 is: 1,485,600.17
Step by Step Solution
- Step 1: Write the proportion equation
1,935,979.16 : 2,671,653.47 = 1,076,520.97 : x - Step 2: Convert to fraction form
1,935,979.16/2,671,653.47 = 1,076,520.97/x - Step 3: Cross multiply
1,935,979.16x = 2,671,653.47 × 1,076,520.97 - Step 4: Simplify right side
1,935,979.16x = 2,876,090,981,040.44 - Step 5: Solve for x
x = 2,876,090,981,040.44/1,935,979.16 - Step 6: Final answer
x = 1,485,600.17
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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.