Finding the Fourth Proportional to 5,621,495.35, 7,757,688.46 and 3,043,176.05
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Solution
The fourth proportional to 5,621,495.35, 7,757,688.46 and 3,043,176.05 is: 4,199,596.42
Step by Step Solution
- Step 1: Write the proportion equation
5,621,495.35 : 7,757,688.46 = 3,043,176.05 : x - Step 2: Convert to fraction form
5,621,495.35/7,757,688.46 = 3,043,176.05/x - Step 3: Cross multiply
5,621,495.35x = 7,757,688.46 × 3,043,176.05 - Step 4: Simplify right side
5,621,495.35x = 23,608,011,724,833.38 - Step 5: Solve for x
x = 23,608,011,724,833.38/5,621,495.35 - Step 6: Final answer
x = 4,199,596.42
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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.