Finding the Fourth Proportional to 1,623,205.62, 2,434,103.10 and 770,521.62
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Solution
The fourth proportional to 1,623,205.62, 2,434,103.10 and 770,521.62 is: 1,155,447.62
Step by Step Solution
- Step 1: Write the proportion equation
1,623,205.62 : 2,434,103.10 = 770,521.62 : x - Step 2: Convert to fraction form
1,623,205.62/2,434,103.10 = 770,521.62/x - Step 3: Cross multiply
1,623,205.62x = 2,434,103.10 × 770,521.62 - Step 4: Simplify right side
1,623,205.62x = 1,875,529,063,859.02 - Step 5: Solve for x
x = 1,875,529,063,859.02/1,623,205.62 - Step 6: Final answer
x = 1,155,447.62
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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.