Finding the Fourth Proportional to 1,728,223.02, 2,385,374.67 and 1,049,728.14
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Solution
The fourth proportional to 1,728,223.02, 2,385,374.67 and 1,049,728.14 is: 1,448,884.14
Step by Step Solution
- Step 1: Write the proportion equation
1,728,223.02 : 2,385,374.67 = 1,049,728.14 : x - Step 2: Convert to fraction form
1,728,223.02/2,385,374.67 = 1,049,728.14/x - Step 3: Cross multiply
1,728,223.02x = 2,385,374.67 × 1,049,728.14 - Step 4: Simplify right side
1,728,223.02x = 2,503,994,915,542.21 - Step 5: Solve for x
x = 2,503,994,915,542.21/1,728,223.02 - Step 6: Final answer
x = 1,448,884.14
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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.