Finding the Fourth Proportional to 1,842,128.82, 2,761,859.16 and 776,585.97
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Solution
The fourth proportional to 1,842,128.82, 2,761,859.16 and 776,585.97 is: 1,164,316.55
Step by Step Solution
- Step 1: Write the proportion equation
1,842,128.82 : 2,761,859.16 = 776,585.97 : x - Step 2: Convert to fraction form
1,842,128.82/2,761,859.16 = 776,585.97/x - Step 3: Cross multiply
1,842,128.82x = 2,761,859.16 × 776,585.97 - Step 4: Simplify right side
1,842,128.82x = 2,144,821,074,771.99 - Step 5: Solve for x
x = 2,144,821,074,771.99/1,842,128.82 - Step 6: Final answer
x = 1,164,316.55
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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.