Finding the Fourth Proportional to 5,358,430.70, 7,394,463.78 and 3,066,542.18
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Solution
The fourth proportional to 5,358,430.70, 7,394,463.78 and 3,066,542.18 is: 4,231,730.58
Step by Step Solution
- Step 1: Write the proportion equation
5,358,430.70 : 7,394,463.78 = 3,066,542.18 : x - Step 2: Convert to fraction form
5,358,430.70/7,394,463.78 = 3,066,542.18/x - Step 3: Cross multiply
5,358,430.70x = 7,394,463.78 × 3,066,542.18 - Step 4: Simplify right side
5,358,430.70x = 22,675,435,079,852.24 - Step 5: Solve for x
x = 22,675,435,079,852.24/5,358,430.70 - Step 6: Final answer
x = 4,231,730.58
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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.