Finding the Fourth Proportional to 1,791,020.28, 2,686,884.97 and 511,638.80
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Solution
The fourth proportional to 1,791,020.28, 2,686,884.97 and 511,638.80 is: 767,559.48
Step by Step Solution
- Step 1: Write the proportion equation
1,791,020.28 : 2,686,884.97 = 511,638.80 : x - Step 2: Convert to fraction form
1,791,020.28/2,686,884.97 = 511,638.80/x - Step 3: Cross multiply
1,791,020.28x = 2,686,884.97 × 511,638.80 - Step 4: Simplify right side
1,791,020.28x = 1,374,714,587,075.31 - Step 5: Solve for x
x = 1,374,714,587,075.31/1,791,020.28 - Step 6: Final answer
x = 767,559.48
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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.