Finding the Fourth Proportional to 4,629,811.96, 6,391,355.79 and 3,083,646.70
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Solution
The fourth proportional to 4,629,811.96, 6,391,355.79 and 3,083,646.70 is: 4,256,907.92
Step by Step Solution
- Step 1: Write the proportion equation
4,629,811.96 : 6,391,355.79 = 3,083,646.70 : x - Step 2: Convert to fraction form
4,629,811.96/6,391,355.79 = 3,083,646.70/x - Step 3: Cross multiply
4,629,811.96x = 6,391,355.79 × 3,083,646.70 - Step 4: Simplify right side
4,629,811.96x = 19,708,683,190,359.39 - Step 5: Solve for x
x = 19,708,683,190,359.39/4,629,811.96 - Step 6: Final answer
x = 4,256,907.92
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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.