Finding the Fourth Proportional to 1,634,326.80, 2,451,490.20 and 1,255,975.80
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Solution
The fourth proportional to 1,634,326.80, 2,451,490.20 and 1,255,975.80 is: 1,883,963.70
Step by Step Solution
- Step 1: Write the proportion equation
1,634,326.80 : 2,451,490.20 = 1,255,975.80 : x - Step 2: Convert to fraction form
1,634,326.80/2,451,490.20 = 1,255,975.80/x - Step 3: Cross multiply
1,634,326.80x = 2,451,490.20 × 1,255,975.80 - Step 4: Simplify right side
1,634,326.80x = 3,079,012,365,137.16 - Step 5: Solve for x
x = 3,079,012,365,137.16/1,634,326.80 - Step 6: Final answer
x = 1,883,963.70
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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.