Finding the Fourth Proportional to 1,640,737.70, 2,264,218.47 and 905,692.42
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Solution
The fourth proportional to 1,640,737.70, 2,264,218.47 and 905,692.42 is: 1,249,855.79
Step by Step Solution
- Step 1: Write the proportion equation
1,640,737.70 : 2,264,218.47 = 905,692.42 : x - Step 2: Convert to fraction form
1,640,737.70/2,264,218.47 = 905,692.42/x - Step 3: Cross multiply
1,640,737.70x = 2,264,218.47 × 905,692.42 - Step 4: Simplify right side
1,640,737.70x = 2,050,685,508,333.27 - Step 5: Solve for x
x = 2,050,685,508,333.27/1,640,737.70 - Step 6: Final answer
x = 1,249,855.79
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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.