Finding the Fourth Proportional to 1,696,392.80, 2,544,589.20 and 1,623,586.40
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Solution
The fourth proportional to 1,696,392.80, 2,544,589.20 and 1,623,586.40 is: 2,435,379.60
Step by Step Solution
- Step 1: Write the proportion equation
1,696,392.80 : 2,544,589.20 = 1,623,586.40 : x - Step 2: Convert to fraction form
1,696,392.80/2,544,589.20 = 1,623,586.40/x - Step 3: Cross multiply
1,696,392.80x = 2,544,589.20 × 1,623,586.40 - Step 4: Simplify right side
1,696,392.80x = 4,131,360,418,706.88 - Step 5: Solve for x
x = 4,131,360,418,706.88/1,696,392.80 - Step 6: Final answer
x = 2,435,379.60
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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.