Finding the Fourth Proportional to 1,372,829.10, 2,057,138.37 and 624,000.30
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Solution
The fourth proportional to 1,372,829.10, 2,057,138.37 and 624,000.30 is: 935,043.52
Step by Step Solution
- Step 1: Write the proportion equation
1,372,829.10 : 2,057,138.37 = 624,000.30 : x - Step 2: Convert to fraction form
1,372,829.10/2,057,138.37 = 624,000.30/x - Step 3: Cross multiply
1,372,829.10x = 2,057,138.37 × 624,000.30 - Step 4: Simplify right side
1,372,829.10x = 1,283,654,960,021.51 - Step 5: Solve for x
x = 1,283,654,960,021.51/1,372,829.10 - Step 6: Final answer
x = 935,043.52
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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.