Finding the Fourth Proportional to 1,607,136.29, 2,217,701.49 and 953,649.70
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Solution
The fourth proportional to 1,607,136.29, 2,217,701.49 and 953,649.70 is: 1,315,949.60
Step by Step Solution
- Step 1: Write the proportion equation
1,607,136.29 : 2,217,701.49 = 953,649.70 : x - Step 2: Convert to fraction form
1,607,136.29/2,217,701.49 = 953,649.70/x - Step 3: Cross multiply
1,607,136.29x = 2,217,701.49 × 953,649.70 - Step 4: Simplify right side
1,607,136.29x = 2,114,910,360,628.05 - Step 5: Solve for x
x = 2,114,910,360,628.05/1,607,136.29 - Step 6: Final answer
x = 1,315,949.60
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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.