Finding the Fourth Proportional to 5,186,720.05, 7,785,558.51 and 2,914,186.48
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Solution
The fourth proportional to 5,186,720.05, 7,785,558.51 and 2,914,186.48 is: 4,374,357.80
Step by Step Solution
- Step 1: Write the proportion equation
5,186,720.05 : 7,785,558.51 = 2,914,186.48 : x - Step 2: Convert to fraction form
5,186,720.05/7,785,558.51 = 2,914,186.48/x - Step 3: Cross multiply
5,186,720.05x = 7,785,558.51 × 2,914,186.48 - Step 4: Simplify right side
5,186,720.05x = 22,688,569,318,698.85 - Step 5: Solve for x
x = 22,688,569,318,698.85/5,186,720.05 - Step 6: Final answer
x = 4,374,357.80
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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.