Finding the Fourth Proportional to 4,207,115.28, 5,804,855.10 and 2,656,513.08
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Solution
The fourth proportional to 4,207,115.28, 5,804,855.10 and 2,656,513.08 is: 3,665,379.36
Step by Step Solution
- Step 1: Write the proportion equation
4,207,115.28 : 5,804,855.10 = 2,656,513.08 : x - Step 2: Convert to fraction form
4,207,115.28/5,804,855.10 = 2,656,513.08/x - Step 3: Cross multiply
4,207,115.28x = 5,804,855.10 × 2,656,513.08 - Step 4: Simplify right side
4,207,115.28x = 15,420,673,500,654.71 - Step 5: Solve for x
x = 15,420,673,500,654.71/4,207,115.28 - Step 6: Final answer
x = 3,665,379.36
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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.