Finding the Fourth Proportional to 1,674,731.20, 2,512,125.60 and 476,684.32
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Solution
The fourth proportional to 1,674,731.20, 2,512,125.60 and 476,684.32 is: 715,034.68
Step by Step Solution
- Step 1: Write the proportion equation
1,674,731.20 : 2,512,125.60 = 476,684.32 : x - Step 2: Convert to fraction form
1,674,731.20/2,512,125.60 = 476,684.32/x - Step 3: Cross multiply
1,674,731.20x = 2,512,125.60 × 476,684.32 - Step 4: Simplify right side
1,674,731.20x = 1,197,490,883,390.59 - Step 5: Solve for x
x = 1,197,490,883,390.59/1,674,731.20 - Step 6: Final answer
x = 715,034.68
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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.