Finding the Fourth Proportional to 4,725,812.70, 7,088,719.05 and 2,201,723.10
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Solution
The fourth proportional to 4,725,812.70, 7,088,719.05 and 2,201,723.10 is: 3,302,584.65
Step by Step Solution
- Step 1: Write the proportion equation
4,725,812.70 : 7,088,719.05 = 2,201,723.10 : x - Step 2: Convert to fraction form
4,725,812.70/7,088,719.05 = 2,201,723.10/x - Step 3: Cross multiply
4,725,812.70x = 7,088,719.05 × 2,201,723.10 - Step 4: Simplify right side
4,725,812.70x = 15,607,396,481,795.05 - Step 5: Solve for x
x = 15,607,396,481,795.05/4,725,812.70 - Step 6: Final answer
x = 3,302,584.65
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1.5x scale
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.