Finding the Fourth Proportional to 3,686,101.24, 5,531,641.80 and 1,289,966.62
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Solution
The fourth proportional to 3,686,101.24, 5,531,641.80 and 1,289,966.62 is: 1,935,821.29
Step by Step Solution
- Step 1: Write the proportion equation
3,686,101.24 : 5,531,641.80 = 1,289,966.62 : x - Step 2: Convert to fraction form
3,686,101.24/5,531,641.80 = 1,289,966.62/x - Step 3: Cross multiply
3,686,101.24x = 5,531,641.80 × 1,289,966.62 - Step 4: Simplify right side
3,686,101.24x = 7,135,633,275,796.72 - Step 5: Solve for x
x = 7,135,633,275,796.72/3,686,101.24 - Step 6: Final answer
x = 1,935,821.29
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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.