Finding the Fourth Proportional to 2,627,480.26, 3,625,921.15 and 1,420,256.26
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Solution
The fourth proportional to 2,627,480.26, 3,625,921.15 and 1,420,256.26 is: 1,959,952.77
Step by Step Solution
- Step 1: Write the proportion equation
2,627,480.26 : 3,625,921.15 = 1,420,256.26 : x - Step 2: Convert to fraction form
2,627,480.26/3,625,921.15 = 1,420,256.26/x - Step 3: Cross multiply
2,627,480.26x = 3,625,921.15 × 1,420,256.26 - Step 4: Simplify right side
2,627,480.26x = 5,149,737,211,553.90 - Step 5: Solve for x
x = 5,149,737,211,553.90/2,627,480.26 - Step 6: Final answer
x = 1,959,952.77
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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.