Finding the Fourth Proportional to 1,936,336.38, 2,672,106.18 and 1,076,878.14
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Solution
The fourth proportional to 1,936,336.38, 2,672,106.18 and 1,076,878.14 is: 1,486,070.69
Step by Step Solution
- Step 1: Write the proportion equation
1,936,336.38 : 2,672,106.18 = 1,076,878.14 : x - Step 2: Convert to fraction form
1,936,336.38/2,672,106.18 = 1,076,878.14/x - Step 3: Cross multiply
1,936,336.38x = 2,672,106.18 × 1,076,878.14 - Step 4: Simplify right side
1,936,336.38x = 2,877,532,733,000.91 - Step 5: Solve for x
x = 2,877,532,733,000.91/1,936,336.38 - Step 6: Final answer
x = 1,486,070.69
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.