Finding the Fourth Proportional to 1,728,358.20, 2,592,537.30 and 1,623,295.80
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Solution
The fourth proportional to 1,728,358.20, 2,592,537.30 and 1,623,295.80 is: 2,434,943.70
Step by Step Solution
- Step 1: Write the proportion equation
1,728,358.20 : 2,592,537.30 = 1,623,295.80 : x - Step 2: Convert to fraction form
1,728,358.20/2,592,537.30 = 1,623,295.80/x - Step 3: Cross multiply
1,728,358.20x = 2,592,537.30 × 1,623,295.80 - Step 4: Simplify right side
1,728,358.20x = 4,208,454,910,433.34 - Step 5: Solve for x
x = 4,208,454,910,433.34/1,728,358.20 - Step 6: Final answer
x = 2,434,943.70
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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.