Finding the Fourth Proportional to 5,558,933.49, 7,671,766.21 and 4,095,533.19
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Solution
The fourth proportional to 5,558,933.49, 7,671,766.21 and 4,095,533.19 is: 5,652,158.49
Step by Step Solution
- Step 1: Write the proportion equation
5,558,933.49 : 7,671,766.21 = 4,095,533.19 : x - Step 2: Convert to fraction form
5,558,933.49/7,671,766.21 = 4,095,533.19/x - Step 3: Cross multiply
5,558,933.49x = 7,671,766.21 × 4,095,533.19 - Step 4: Simplify right side
5,558,933.49x = 31,419,973,138,975.51 - Step 5: Solve for x
x = 31,419,973,138,975.51/5,558,933.49 - Step 6: Final answer
x = 5,652,158.49
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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.