Finding the Fourth Proportional to 4,138,431.93, 6,207,910.28 and 1,298,656.17
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Solution
The fourth proportional to 4,138,431.93, 6,207,910.28 and 1,298,656.17 is: 1,948,066.59
Step by Step Solution
- Step 1: Write the proportion equation
4,138,431.93 : 6,207,910.28 = 1,298,656.17 : x - Step 2: Convert to fraction form
4,138,431.93/6,207,910.28 = 1,298,656.17/x - Step 3: Cross multiply
4,138,431.93x = 6,207,910.28 × 1,298,656.17 - Step 4: Simplify right side
4,138,431.93x = 8,061,940,960,135.52 - Step 5: Solve for x
x = 8,061,940,960,135.52/4,138,431.93 - Step 6: Final answer
x = 1,948,066.59
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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.