Finding the Fourth Proportional to 2,910,531.23, 4,014,381.41 and 2,135,900.39
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Solution
The fourth proportional to 2,910,531.23, 4,014,381.41 and 2,135,900.39 is: 2,945,963.52
Step by Step Solution
- Step 1: Write the proportion equation
2,910,531.23 : 4,014,381.41 = 2,135,900.39 : x - Step 2: Convert to fraction form
2,910,531.23/4,014,381.41 = 2,135,900.39/x - Step 3: Cross multiply
2,910,531.23x = 4,014,381.41 × 2,135,900.39 - Step 4: Simplify right side
2,910,531.23x = 8,574,318,831,081.30 - Step 5: Solve for x
x = 8,574,318,831,081.30/2,910,531.23 - Step 6: Final answer
x = 2,945,963.52
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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.