Finding the Fourth Proportional to 1,402,282.62, 2,103,428.79 and 405,010.62
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Solution
The fourth proportional to 1,402,282.62, 2,103,428.79 and 405,010.62 is: 607,517.33
Step by Step Solution
- Step 1: Write the proportion equation
1,402,282.62 : 2,103,428.79 = 405,010.62 : x - Step 2: Convert to fraction form
1,402,282.62/2,103,428.79 = 405,010.62/x - Step 3: Cross multiply
1,402,282.62x = 2,103,428.79 × 405,010.62 - Step 4: Simplify right side
1,402,282.62x = 851,910,998,363.75 - Step 5: Solve for x
x = 851,910,998,363.75/1,402,282.62 - Step 6: Final answer
x = 607,517.33
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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.