Finding the Fourth Proportional to 3,427,745.04, 4,730,220.50 and 1,879,010.05
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Solution
The fourth proportional to 3,427,745.04, 4,730,220.50 and 1,879,010.05 is: 2,592,996.78
Step by Step Solution
- Step 1: Write the proportion equation
3,427,745.04 : 4,730,220.50 = 1,879,010.05 : x - Step 2: Convert to fraction form
3,427,745.04/4,730,220.50 = 1,879,010.05/x - Step 3: Cross multiply
3,427,745.04x = 4,730,220.50 × 1,879,010.05 - Step 4: Simplify right side
3,427,745.04x = 8,888,131,858,216.03 - Step 5: Solve for x
x = 8,888,131,858,216.03/3,427,745.04 - Step 6: Final answer
x = 2,592,996.78
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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.