Finding the Fourth Proportional to 5,186,719.99, 7,785,558.42 and 2,914,186.42
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Solution
The fourth proportional to 5,186,719.99, 7,785,558.42 and 2,914,186.42 is: 4,374,357.71
Step by Step Solution
- Step 1: Write the proportion equation
5,186,719.99 : 7,785,558.42 = 2,914,186.42 : x - Step 2: Convert to fraction form
5,186,719.99/7,785,558.42 = 2,914,186.42/x - Step 3: Cross multiply
5,186,719.99x = 7,785,558.42 × 2,914,186.42 - Step 4: Simplify right side
5,186,719.99x = 22,688,568,566,181.93 - Step 5: Solve for x
x = 22,688,568,566,181.93/5,186,719.99 - Step 6: Final answer
x = 4,374,357.71
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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.