Finding the Fourth Proportional to 1,675,073.75, 2,512,625.40 and 476,995.05
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Solution
The fourth proportional to 1,675,073.75, 2,512,625.40 and 476,995.05 is: 715,496.78
Step by Step Solution
- Step 1: Write the proportion equation
1,675,073.75 : 2,512,625.40 = 476,995.05 : x - Step 2: Convert to fraction form
1,675,073.75/2,512,625.40 = 476,995.05/x - Step 3: Cross multiply
1,675,073.75x = 2,512,625.40 × 476,995.05 - Step 4: Simplify right side
1,675,073.75x = 1,198,509,878,304.27 - Step 5: Solve for x
x = 1,198,509,878,304.27/1,675,073.75 - Step 6: Final answer
x = 715,496.78
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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.