Finding the Fourth Proportional to 3,952,221.99, 5,453,765.98 and 2,403,269.85
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Solution
The fourth proportional to 3,952,221.99, 5,453,765.98 and 2,403,269.85 is: 3,316,329.74
Step by Step Solution
- Step 1: Write the proportion equation
3,952,221.99 : 5,453,765.98 = 2,403,269.85 : x - Step 2: Convert to fraction form
3,952,221.99/5,453,765.98 = 2,403,269.85/x - Step 3: Cross multiply
3,952,221.99x = 5,453,765.98 × 2,403,269.85 - Step 4: Simplify right side
3,952,221.99x = 13,106,871,321,420.88 - Step 5: Solve for x
x = 13,106,871,321,420.88/3,952,221.99 - Step 6: Final answer
x = 3,316,329.74
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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.