Finding the Fourth Proportional to 3,368,903.68, 4,649,561.24 and 2,144,818.20
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Solution
The fourth proportional to 3,368,903.68, 4,649,561.24 and 2,144,818.20 is: 2,960,150.99
Step by Step Solution
- Step 1: Write the proportion equation
3,368,903.68 : 4,649,561.24 = 2,144,818.20 : x - Step 2: Convert to fraction form
3,368,903.68/4,649,561.24 = 2,144,818.20/x - Step 3: Cross multiply
3,368,903.68x = 4,649,561.24 × 2,144,818.20 - Step 4: Simplify right side
3,368,903.68x = 9,972,463,569,566.57 - Step 5: Solve for x
x = 9,972,463,569,566.57/3,368,903.68 - Step 6: Final answer
x = 2,960,150.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.