Finding the Fourth Proportional to 2,075,769.44, 2,864,560.56 and 1,121,913.44
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Solution
The fourth proportional to 2,075,769.44, 2,864,560.56 and 1,121,913.44 is: 1,548,239.86
Step by Step Solution
- Step 1: Write the proportion equation
2,075,769.44 : 2,864,560.56 = 1,121,913.44 : x - Step 2: Convert to fraction form
2,075,769.44/2,864,560.56 = 1,121,913.44/x - Step 3: Cross multiply
2,075,769.44x = 2,864,560.56 × 1,121,913.44 - Step 4: Simplify right side
2,075,769.44x = 3,213,788,991,957.93 - Step 5: Solve for x
x = 3,213,788,991,957.93/2,075,769.44 - Step 6: Final answer
x = 1,548,239.86
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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.