Finding the Fourth Proportional to 5,218,183.08, 7,201,433.24 and 3,013,138.92
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Solution
The fourth proportional to 5,218,183.08, 7,201,433.24 and 3,013,138.92 is: 4,158,328.38
Step by Step Solution
- Step 1: Write the proportion equation
5,218,183.08 : 7,201,433.24 = 3,013,138.92 : x - Step 2: Convert to fraction form
5,218,183.08/7,201,433.24 = 3,013,138.92/x - Step 3: Cross multiply
5,218,183.08x = 7,201,433.24 × 3,013,138.92 - Step 4: Simplify right side
5,218,183.08x = 21,698,918,775,225.70 - Step 5: Solve for x
x = 21,698,918,775,225.70/5,218,183.08 - Step 6: Final answer
x = 4,158,328.38
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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.