Finding the Fourth Proportional to 3,366,408.69, 4,645,649.19 and 1,916,104.11
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Solution
The fourth proportional to 3,366,408.69, 4,645,649.19 and 1,916,104.11 is: 2,644,226.63
Step by Step Solution
- Step 1: Write the proportion equation
3,366,408.69 : 4,645,649.19 = 1,916,104.11 : x - Step 2: Convert to fraction form
3,366,408.69/4,645,649.19 = 1,916,104.11/x - Step 3: Cross multiply
3,366,408.69x = 4,645,649.19 × 1,916,104.11 - Step 4: Simplify right side
3,366,408.69x = 8,901,547,506,577.17 - Step 5: Solve for x
x = 8,901,547,506,577.17/3,366,408.69 - Step 6: Final answer
x = 2,644,226.63
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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.