Finding the Fourth Proportional to 5,153,218.38, 7,695,125.42 and 4,208,463.18
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Solution
The fourth proportional to 5,153,218.38, 7,695,125.42 and 4,208,463.18 is: 6,284,354.67
Step by Step Solution
- Step 1: Write the proportion equation
5,153,218.38 : 7,695,125.42 = 4,208,463.18 : x - Step 2: Convert to fraction form
5,153,218.38/7,695,125.42 = 4,208,463.18/x - Step 3: Cross multiply
5,153,218.38x = 7,695,125.42 × 4,208,463.18 - Step 4: Simplify right side
5,153,218.38x = 32,384,651,974,509.72 - Step 5: Solve for x
x = 32,384,651,974,509.72/5,153,218.38 - Step 6: Final answer
x = 6,284,354.67
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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.