Finding the Fourth Proportional to 5,060,640.78, 6,976,420.66 and 3,607,813.95
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Solution
The fourth proportional to 5,060,640.78, 6,976,420.66 and 3,607,813.95 is: 4,973,604.90
Step by Step Solution
- Step 1: Write the proportion equation
5,060,640.78 : 6,976,420.66 = 3,607,813.95 : x - Step 2: Convert to fraction form
5,060,640.78/6,976,420.66 = 3,607,813.95/x - Step 3: Cross multiply
5,060,640.78x = 6,976,420.66 × 3,607,813.95 - Step 4: Simplify right side
5,060,640.78x = 25,169,627,778,216.21 - Step 5: Solve for x
x = 25,169,627,778,216.21/5,060,640.78 - Step 6: Final answer
x = 4,973,604.90
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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.