Finding the Fourth Proportional to 3,190,586.58, 4,403,023.19 and 1,740,313.17
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Solution
The fourth proportional to 3,190,586.58, 4,403,023.19 and 1,740,313.17 is: 2,401,639.65
Step by Step Solution
- Step 1: Write the proportion equation
3,190,586.58 : 4,403,023.19 = 1,740,313.17 : x - Step 2: Convert to fraction form
3,190,586.58/4,403,023.19 = 1,740,313.17/x - Step 3: Cross multiply
3,190,586.58x = 4,403,023.19 × 1,740,313.17 - Step 4: Simplify right side
3,190,586.58x = 7,662,639,236,670.85 - Step 5: Solve for x
x = 7,662,639,236,670.85/3,190,586.58 - Step 6: Final answer
x = 2,401,639.65
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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.