Finding the Fourth Proportional to 5,249,213.57, 7,876,920.42 and 2,216,383.11
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Solution
The fourth proportional to 5,249,213.57, 7,876,920.42 and 2,216,383.11 is: 3,325,883.61
Step by Step Solution
- Step 1: Write the proportion equation
5,249,213.57 : 7,876,920.42 = 2,216,383.11 : x - Step 2: Convert to fraction form
5,249,213.57/7,876,920.42 = 2,216,383.11/x - Step 3: Cross multiply
5,249,213.57x = 7,876,920.42 × 2,216,383.11 - Step 4: Simplify right side
5,249,213.57x = 17,458,273,377,702.11 - Step 5: Solve for x
x = 17,458,273,377,702.11/5,249,213.57 - Step 6: Final answer
x = 3,325,883.61
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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.