Finding the Fourth Proportional to 1,842,872.21, 2,544,460.40 and 1,292,757.47
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Solution
The fourth proportional to 1,842,872.21, 2,544,460.40 and 1,292,757.47 is: 1,784,914.96
Step by Step Solution
- Step 1: Write the proportion equation
1,842,872.21 : 2,544,460.40 = 1,292,757.47 : x - Step 2: Convert to fraction form
1,842,872.21/2,544,460.40 = 1,292,757.47/x - Step 3: Cross multiply
1,842,872.21x = 2,544,460.40 × 1,292,757.47 - Step 4: Simplify right side
1,842,872.21x = 3,289,370,182,755.40 - Step 5: Solve for x
x = 3,289,370,182,755.40/1,842,872.21 - Step 6: Final answer
x = 1,784,914.96
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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.