Finding the Fourth Proportional to 5,877,923.19, 8,112,727.35 and 3,397,249.23
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Solution
The fourth proportional to 5,877,923.19, 8,112,727.35 and 3,397,249.23 is: 4,688,893.65
Step by Step Solution
- Step 1: Write the proportion equation
5,877,923.19 : 8,112,727.35 = 3,397,249.23 : x - Step 2: Convert to fraction form
5,877,923.19/8,112,727.35 = 3,397,249.23/x - Step 3: Cross multiply
5,877,923.19x = 8,112,727.35 × 3,397,249.23 - Step 4: Simplify right side
5,877,923.19x = 27,560,956,742,987.44 - Step 5: Solve for x
x = 27,560,956,742,987.44/5,877,923.19 - Step 6: Final answer
x = 4,688,893.65
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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.