Finding the Fourth Proportional to 3,782,035.41, 5,643,555.44 and 3,374,425.61
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Solution
The fourth proportional to 3,782,035.41, 5,643,555.44 and 3,374,425.61 is: 5,035,319.85
Step by Step Solution
- Step 1: Write the proportion equation
3,782,035.41 : 5,643,555.44 = 3,374,425.61 : x - Step 2: Convert to fraction form
3,782,035.41/5,643,555.44 = 3,374,425.61/x - Step 3: Cross multiply
3,782,035.41x = 5,643,555.44 × 3,374,425.61 - Step 4: Simplify right side
3,782,035.41x = 19,043,757,963,100.91 - Step 5: Solve for x
x = 19,043,757,963,100.91/3,782,035.41 - Step 6: Final answer
x = 5,035,319.85
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.