Finding the Fourth Proportional to 5,407,435.96, 7,461,751.26 and 3,231,545.92
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Solution
The fourth proportional to 5,407,435.96, 7,461,751.26 and 3,231,545.92 is: 4,459,228.37
Step by Step Solution
- Step 1: Write the proportion equation
5,407,435.96 : 7,461,751.26 = 3,231,545.92 : x - Step 2: Convert to fraction form
5,407,435.96/7,461,751.26 = 3,231,545.92/x - Step 3: Cross multiply
5,407,435.96x = 7,461,751.26 × 3,231,545.92 - Step 4: Simplify right side
5,407,435.96x = 24,112,991,840,307.86 - Step 5: Solve for x
x = 24,112,991,840,307.86/5,407,435.96 - Step 6: Final answer
x = 4,459,228.37
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1.5x scale
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.