Finding the Fourth Proportional to 1,765,192.19, 2,435,770.29 and 990,645.38
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Solution
The fourth proportional to 1,765,192.19, 2,435,770.29 and 990,645.38 is: 1,366,981.22
Step by Step Solution
- Step 1: Write the proportion equation
1,765,192.19 : 2,435,770.29 = 990,645.38 : x - Step 2: Convert to fraction form
1,765,192.19/2,435,770.29 = 990,645.38/x - Step 3: Cross multiply
1,765,192.19x = 2,435,770.29 × 990,645.38 - Step 4: Simplify right side
1,765,192.19x = 2,412,984,572,350.91 - Step 5: Solve for x
x = 2,412,984,572,350.91/1,765,192.19 - Step 6: Final answer
x = 1,366,981.22
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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.