Finding the Fourth Proportional to 1,350,213.95, 2,026,317.83 and 640,244.49
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Solution
The fourth proportional to 1,350,213.95, 2,026,317.83 and 640,244.49 is: 960,839.45
Step by Step Solution
- Step 1: Write the proportion equation
1,350,213.95 : 2,026,317.83 = 640,244.49 : x - Step 2: Convert to fraction form
1,350,213.95/2,026,317.83 = 640,244.49/x - Step 3: Cross multiply
1,350,213.95x = 2,026,317.83 × 640,244.49 - Step 4: Simplify right side
1,350,213.95x = 1,297,338,822,445.03 - Step 5: Solve for x
x = 1,297,338,822,445.03/1,350,213.95 - Step 6: Final answer
x = 960,839.45
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1.5x scale
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.