Finding the Fourth Proportional to 5,384,510.70, 8,076,766.05 and 3,117,029.10
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Solution
The fourth proportional to 5,384,510.70, 8,076,766.05 and 3,117,029.10 is: 4,675,543.65
Step by Step Solution
- Step 1: Write the proportion equation
5,384,510.70 : 8,076,766.05 = 3,117,029.10 : x - Step 2: Convert to fraction form
5,384,510.70/8,076,766.05 = 3,117,029.10/x - Step 3: Cross multiply
5,384,510.70x = 8,076,766.05 × 3,117,029.10 - Step 4: Simplify right side
5,384,510.70x = 25,175,514,811,742.05 - Step 5: Solve for x
x = 25,175,514,811,742.05/5,384,510.70 - Step 6: Final answer
x = 4,675,543.65
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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.