Finding the Fourth Proportional to 1,984,615.64, 2,738,972.96 and 1,169,075.96
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Solution
The fourth proportional to 1,984,615.64, 2,738,972.96 and 1,169,075.96 is: 1,613,444.63
Step by Step Solution
- Step 1: Write the proportion equation
1,984,615.64 : 2,738,972.96 = 1,169,075.96 : x - Step 2: Convert to fraction form
1,984,615.64/2,738,972.96 = 1,169,075.96/x - Step 3: Cross multiply
1,984,615.64x = 2,738,972.96 × 1,169,075.96 - Step 4: Simplify right side
1,984,615.64x = 3,202,067,442,626.04 - Step 5: Solve for x
x = 3,202,067,442,626.04/1,984,615.64 - Step 6: Final answer
x = 1,613,444.63
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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.