Finding the Fourth Proportional to 5,363,997.75, 7,402,409.22 and 2,916,625.28
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Solution
The fourth proportional to 5,363,997.75, 7,402,409.22 and 2,916,625.28 is: 4,024,993.08
Step by Step Solution
- Step 1: Write the proportion equation
5,363,997.75 : 7,402,409.22 = 2,916,625.28 : x - Step 2: Convert to fraction form
5,363,997.75/7,402,409.22 = 2,916,625.28/x - Step 3: Cross multiply
5,363,997.75x = 7,402,409.22 × 2,916,625.28 - Step 4: Simplify right side
5,363,997.75x = 21,590,053,826,945.04 - Step 5: Solve for x
x = 21,590,053,826,945.04/5,363,997.75 - Step 6: Final answer
x = 4,024,993.08
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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.