Finding the Fourth Proportional to 1,962,713.68, 2,708,559.84 and 1,091,560.56
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Solution
The fourth proportional to 1,962,713.68, 2,708,559.84 and 1,091,560.56 is: 1,506,361.89
Step by Step Solution
- Step 1: Write the proportion equation
1,962,713.68 : 2,708,559.84 = 1,091,560.56 : x - Step 2: Convert to fraction form
1,962,713.68/2,708,559.84 = 1,091,560.56/x - Step 3: Cross multiply
1,962,713.68x = 2,708,559.84 × 1,091,560.56 - Step 4: Simplify right side
1,962,713.68x = 2,956,557,095,743.91 - Step 5: Solve for x
x = 2,956,557,095,743.91/1,962,713.68 - Step 6: Final answer
x = 1,506,361.89
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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.