Finding the Fourth Proportional to 3,868,663.39, 5,338,810.97 and 2,126,494.11
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Solution
The fourth proportional to 3,868,663.39, 5,338,810.97 and 2,126,494.11 is: 2,934,592.37
Step by Step Solution
- Step 1: Write the proportion equation
3,868,663.39 : 5,338,810.97 = 2,126,494.11 : x - Step 2: Convert to fraction form
3,868,663.39/5,338,810.97 = 2,126,494.11/x - Step 3: Cross multiply
3,868,663.39x = 5,338,810.97 × 2,126,494.11 - Step 4: Simplify right side
3,868,663.39x = 11,352,950,082,108.38 - Step 5: Solve for x
x = 11,352,950,082,108.38/3,868,663.39 - Step 6: Final answer
x = 2,934,592.37
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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.