Finding the Fourth Proportional to 3,983,173.17, 5,974,750.64 and 1,707,221.81
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Solution
The fourth proportional to 3,983,173.17, 5,974,750.64 and 1,707,221.81 is: 2,560,828.80
Step by Step Solution
- Step 1: Write the proportion equation
3,983,173.17 : 5,974,750.64 = 1,707,221.81 : x - Step 2: Convert to fraction form
3,983,173.17/5,974,750.64 = 1,707,221.81/x - Step 3: Cross multiply
3,983,173.17x = 5,974,750.64 × 1,707,221.81 - Step 4: Simplify right side
3,983,173.17x = 10,200,224,569,911.68 - Step 5: Solve for x
x = 10,200,224,569,911.68/3,983,173.17 - Step 6: Final answer
x = 2,560,828.80
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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.