Finding the Fourth Proportional to 1,832,439.14, 2,531,189.61 and 1,527,512.42
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Solution
The fourth proportional to 1,832,439.14, 2,531,189.61 and 1,527,512.42 is: 2,109,987.44
Step by Step Solution
- Step 1: Write the proportion equation
1,832,439.14 : 2,531,189.61 = 1,527,512.42 : x - Step 2: Convert to fraction form
1,832,439.14/2,531,189.61 = 1,527,512.42/x - Step 3: Cross multiply
1,832,439.14x = 2,531,189.61 × 1,527,512.42 - Step 4: Simplify right side
1,832,439.14x = 3,866,423,566,649.96 - Step 5: Solve for x
x = 3,866,423,566,649.96/1,832,439.14 - Step 6: Final answer
x = 2,109,987.44
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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.