Finding the Fourth Proportional to 4,674,170.49, 7,010,552.79 and 1,478,880.87
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Solution
The fourth proportional to 4,674,170.49, 7,010,552.79 and 1,478,880.87 is: 2,218,098.90
Step by Step Solution
- Step 1: Write the proportion equation
4,674,170.49 : 7,010,552.79 = 1,478,880.87 : x - Step 2: Convert to fraction form
4,674,170.49/7,010,552.79 = 1,478,880.87/x - Step 3: Cross multiply
4,674,170.49x = 7,010,552.79 × 1,478,880.87 - Step 4: Simplify right side
4,674,170.49x = 10,367,772,409,256.13 - Step 5: Solve for x
x = 10,367,772,409,256.13/4,674,170.49 - Step 6: Final answer
x = 2,218,098.90
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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.