Finding the Fourth Proportional to 1,851,390.92, 2,553,891.30 and 1,076,934.52
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Solution
The fourth proportional to 1,851,390.92, 2,553,891.30 and 1,076,934.52 is: 1,485,571.56
Step by Step Solution
- Step 1: Write the proportion equation
1,851,390.92 : 2,553,891.30 = 1,076,934.52 : x - Step 2: Convert to fraction form
1,851,390.92/2,553,891.30 = 1,076,934.52/x - Step 3: Cross multiply
1,851,390.92x = 2,553,891.30 × 1,076,934.52 - Step 4: Simplify right side
1,851,390.92x = 2,750,373,701,297.68 - Step 5: Solve for x
x = 2,750,373,701,297.68/1,851,390.92 - Step 6: Final answer
x = 1,485,571.56
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.