Finding the Fourth Proportional to 4,755,804.12, 7,134,992.42 and 3,391,301.07
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Solution
The fourth proportional to 4,755,804.12, 7,134,992.42 and 3,391,301.07 is: 5,087,868.80
Step by Step Solution
- Step 1: Write the proportion equation
4,755,804.12 : 7,134,992.42 = 3,391,301.07 : x - Step 2: Convert to fraction form
4,755,804.12/7,134,992.42 = 3,391,301.07/x - Step 3: Cross multiply
4,755,804.12x = 7,134,992.42 × 3,391,301.07 - Step 4: Simplify right side
4,755,804.12x = 24,196,907,411,431.38 - Step 5: Solve for x
x = 24,196,907,411,431.38/4,755,804.12 - Step 6: Final answer
x = 5,087,868.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.