Finding the Fourth Proportional to 3,809,495.20, 5,255,606.76 and 2,177,026.76
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Solution
The fourth proportional to 3,809,495.20, 5,255,606.76 and 2,177,026.76 is: 3,003,441.65
Step by Step Solution
- Step 1: Write the proportion equation
3,809,495.20 : 5,255,606.76 = 2,177,026.76 : x - Step 2: Convert to fraction form
3,809,495.20/5,255,606.76 = 2,177,026.76/x - Step 3: Cross multiply
3,809,495.20x = 5,255,606.76 × 2,177,026.76 - Step 4: Simplify right side
3,809,495.20x = 11,441,596,556,556.90 - Step 5: Solve for x
x = 11,441,596,556,556.90/3,809,495.20 - Step 6: Final answer
x = 3,003,441.65
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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.