Finding the Fourth Proportional to 3,441,690.74, 4,749,537.17 and 1,913,765.06
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Solution
The fourth proportional to 3,441,690.74, 4,749,537.17 and 1,913,765.06 is: 2,640,997.98
Step by Step Solution
- Step 1: Write the proportion equation
3,441,690.74 : 4,749,537.17 = 1,913,765.06 : x - Step 2: Convert to fraction form
3,441,690.74/4,749,537.17 = 1,913,765.06/x - Step 3: Cross multiply
3,441,690.74x = 4,749,537.17 × 1,913,765.06 - Step 4: Simplify right side
3,441,690.74x = 9,089,498,303,775.54 - Step 5: Solve for x
x = 9,089,498,303,775.54/3,441,690.74 - Step 6: Final answer
x = 2,640,997.98
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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.