Finding the Fourth Proportional to 2,008,613.12, 2,771,876.64 and 1,090,835.84
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Solution
The fourth proportional to 2,008,613.12, 2,771,876.64 and 1,090,835.84 is: 1,505,348.32
Step by Step Solution
- Step 1: Write the proportion equation
2,008,613.12 : 2,771,876.64 = 1,090,835.84 : x - Step 2: Convert to fraction form
2,008,613.12/2,771,876.64 = 1,090,835.84/x - Step 3: Cross multiply
2,008,613.12x = 2,771,876.64 × 1,090,835.84 - Step 4: Simplify right side
2,008,613.12x = 3,023,662,382,970.78 - Step 5: Solve for x
x = 3,023,662,382,970.78/2,008,613.12 - Step 6: Final answer
x = 1,505,348.32
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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.