Finding the Fourth Proportional to 5,450,313.48, 7,521,603.12 and 3,127,631.32
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Solution
The fourth proportional to 5,450,313.48, 7,521,603.12 and 3,127,631.32 is: 4,316,229.07
Step by Step Solution
- Step 1: Write the proportion equation
5,450,313.48 : 7,521,603.12 = 3,127,631.32 : x - Step 2: Convert to fraction form
5,450,313.48/7,521,603.12 = 3,127,631.32/x - Step 3: Cross multiply
5,450,313.48x = 7,521,603.12 × 3,127,631.32 - Step 4: Simplify right side
5,450,313.48x = 23,524,801,494,721.72 - Step 5: Solve for x
x = 23,524,801,494,721.72/5,450,313.48 - Step 6: Final answer
x = 4,316,229.07
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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.