Finding the Fourth Proportional to 4,207,779.26, 5,804,042.74 and 2,918,149.10
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Solution
The fourth proportional to 4,207,779.26, 5,804,042.74 and 2,918,149.10 is: 4,025,178.37
Step by Step Solution
- Step 1: Write the proportion equation
4,207,779.26 : 5,804,042.74 = 2,918,149.10 : x - Step 2: Convert to fraction form
4,207,779.26/5,804,042.74 = 2,918,149.10/x - Step 3: Cross multiply
4,207,779.26x = 5,804,042.74 × 2,918,149.10 - Step 4: Simplify right side
4,207,779.26x = 16,937,062,061,776.95 - Step 5: Solve for x
x = 16,937,062,061,776.95/4,207,779.26 - Step 6: Final answer
x = 4,025,178.37
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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.