Finding the Fourth Proportional to 1,623,321.70, 2,434,982.55 and 736,857.70
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Solution
The fourth proportional to 1,623,321.70, 2,434,982.55 and 736,857.70 is: 1,105,286.55
Step by Step Solution
- Step 1: Write the proportion equation
1,623,321.70 : 2,434,982.55 = 736,857.70 : x - Step 2: Convert to fraction form
1,623,321.70/2,434,982.55 = 736,857.70/x - Step 3: Cross multiply
1,623,321.70x = 2,434,982.55 × 736,857.70 - Step 4: Simplify right side
1,623,321.70x = 1,794,235,641,333.13 - Step 5: Solve for x
x = 1,794,235,641,333.13/1,623,321.70 - Step 6: Final answer
x = 1,105,286.55
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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.