Finding the Fourth Proportional to 5,328,605.70, 7,993,945.35 and 1,542,212.10
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Solution
The fourth proportional to 5,328,605.70, 7,993,945.35 and 1,542,212.10 is: 2,313,618.22
Step by Step Solution
- Step 1: Write the proportion equation
5,328,605.70 : 7,993,945.35 = 1,542,212.10 : x - Step 2: Convert to fraction form
5,328,605.70/7,993,945.35 = 1,542,212.10/x - Step 3: Cross multiply
5,328,605.70x = 7,993,945.35 × 1,542,212.10 - Step 4: Simplify right side
5,328,605.70x = 12,328,359,245,508.73 - Step 5: Solve for x
x = 12,328,359,245,508.73/5,328,605.70 - Step 6: Final answer
x = 2,313,618.22
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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.