Finding the Fourth Proportional to 1,370,623.50, 1,891,197.99 and 887,121.54
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Solution
The fourth proportional to 1,370,623.50, 1,891,197.99 and 887,121.54 is: 1,224,057.86
Step by Step Solution
- Step 1: Write the proportion equation
1,370,623.50 : 1,891,197.99 = 887,121.54 : x - Step 2: Convert to fraction form
1,370,623.50/1,891,197.99 = 887,121.54/x - Step 3: Cross multiply
1,370,623.50x = 1,891,197.99 × 887,121.54 - Step 4: Simplify right side
1,370,623.50x = 1,677,722,473,333.70 - Step 5: Solve for x
x = 1,677,722,473,333.70/1,370,623.50 - Step 6: Final answer
x = 1,224,057.86
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.