Finding the Fourth Proportional to 1,762,817.11, 2,644,226.54 and 1,163,638.23
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Solution
The fourth proportional to 1,762,817.11, 2,644,226.54 and 1,163,638.23 is: 1,745,457.92
Step by Step Solution
- Step 1: Write the proportion equation
1,762,817.11 : 2,644,226.54 = 1,163,638.23 : x - Step 2: Convert to fraction form
1,762,817.11/2,644,226.54 = 1,163,638.23/x - Step 3: Cross multiply
1,762,817.11x = 2,644,226.54 × 1,163,638.23 - Step 4: Simplify right side
1,762,817.11x = 3,076,923,090,724.62 - Step 5: Solve for x
x = 3,076,923,090,724.62/1,762,817.11 - Step 6: Final answer
x = 1,745,457.92
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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.