Finding the Fourth Proportional to 4,918,598.59, 7,377,343.84 and 1,324,628.59
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Solution
The fourth proportional to 4,918,598.59, 7,377,343.84 and 1,324,628.59 is: 1,986,793.68
Step by Step Solution
- Step 1: Write the proportion equation
4,918,598.59 : 7,377,343.84 = 1,324,628.59 : x - Step 2: Convert to fraction form
4,918,598.59/7,377,343.84 = 1,324,628.59/x - Step 3: Cross multiply
4,918,598.59x = 7,377,343.84 × 1,324,628.59 - Step 4: Simplify right side
4,918,598.59x = 9,772,240,568,724.39 - Step 5: Solve for x
x = 9,772,240,568,724.39/4,918,598.59 - Step 6: Final answer
x = 1,986,793.68
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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.