Finding the Fourth Proportional to 5,092,371.98, 7,027,542.95 and 2,916,913.94
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Solution
The fourth proportional to 5,092,371.98, 7,027,542.95 and 2,916,913.94 is: 4,025,381.11
Step by Step Solution
- Step 1: Write the proportion equation
5,092,371.98 : 7,027,542.95 = 2,916,913.94 : x - Step 2: Convert to fraction form
5,092,371.98/7,027,542.95 = 2,916,913.94/x - Step 3: Cross multiply
5,092,371.98x = 7,027,542.95 × 2,916,913.94 - Step 4: Simplify right side
5,092,371.98x = 20,498,737,945,081.44 - Step 5: Solve for x
x = 20,498,737,945,081.44/5,092,371.98 - Step 6: Final answer
x = 4,025,381.11
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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.