Finding the Fourth Proportional to 2,810,135.16, 4,215,213.60 and 680,215.80
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Solution
The fourth proportional to 2,810,135.16, 4,215,213.60 and 680,215.80 is: 1,020,326.33
Step by Step Solution
- Step 1: Write the proportion equation
2,810,135.16 : 4,215,213.60 = 680,215.80 : x - Step 2: Convert to fraction form
2,810,135.16/4,215,213.60 = 680,215.80/x - Step 3: Cross multiply
2,810,135.16x = 4,215,213.60 × 680,215.80 - Step 4: Simplify right side
2,810,135.16x = 2,867,254,891,094.88 - Step 5: Solve for x
x = 2,867,254,891,094.88/2,810,135.16 - Step 6: Final answer
x = 1,020,326.33
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.