Finding the Fourth Proportional to 2,728,719.36, 3,767,109.04 and 1,641,233.68
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Solution
The fourth proportional to 2,728,719.36, 3,767,109.04 and 1,641,233.68 is: 2,265,790.44
Step by Step Solution
- Step 1: Write the proportion equation
2,728,719.36 : 3,767,109.04 = 1,641,233.68 : x - Step 2: Convert to fraction form
2,728,719.36/3,767,109.04 = 1,641,233.68/x - Step 3: Cross multiply
2,728,719.36x = 3,767,109.04 × 1,641,233.68 - Step 4: Simplify right side
2,728,719.36x = 6,182,706,232,680.47 - Step 5: Solve for x
x = 6,182,706,232,680.47/2,728,719.36 - Step 6: Final answer
x = 2,265,790.44
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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.