Finding the Fourth Proportional to 4,230,986.49, 5,838,879.60 and 2,297,365.02
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Solution
The fourth proportional to 4,230,986.49, 5,838,879.60 and 2,297,365.02 is: 3,170,427.93
Step by Step Solution
- Step 1: Write the proportion equation
4,230,986.49 : 5,838,879.60 = 2,297,365.02 : x - Step 2: Convert to fraction form
4,230,986.49/5,838,879.60 = 2,297,365.02/x - Step 3: Cross multiply
4,230,986.49x = 5,838,879.60 × 2,297,365.02 - Step 4: Simplify right side
4,230,986.49x = 13,414,037,749,031.59 - Step 5: Solve for x
x = 13,414,037,749,031.59/4,230,986.49 - Step 6: Final answer
x = 3,170,427.93
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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.