Finding the Fourth Proportional to 5,384,561.17, 8,076,871.29 and 1,341,048.99
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Solution
The fourth proportional to 5,384,561.17, 8,076,871.29 and 1,341,048.99 is: 2,011,580.84
Step by Step Solution
- Step 1: Write the proportion equation
5,384,561.17 : 8,076,871.29 = 1,341,048.99 : x - Step 2: Convert to fraction form
5,384,561.17/8,076,871.29 = 1,341,048.99/x - Step 3: Cross multiply
5,384,561.17x = 8,076,871.29 × 1,341,048.99 - Step 4: Simplify right side
5,384,561.17x = 10,831,480,085,814.50 - Step 5: Solve for x
x = 10,831,480,085,814.50/5,384,561.17 - Step 6: Final answer
x = 2,011,580.84
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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.