Finding the Fourth Proportional to 1,728,625.93, 2,385,729.47 and 964,838.05
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Solution
The fourth proportional to 1,728,625.93, 2,385,729.47 and 964,838.05 is: 1,331,602.48
Step by Step Solution
- Step 1: Write the proportion equation
1,728,625.93 : 2,385,729.47 = 964,838.05 : x - Step 2: Convert to fraction form
1,728,625.93/2,385,729.47 = 964,838.05/x - Step 3: Cross multiply
1,728,625.93x = 2,385,729.47 × 964,838.05 - Step 4: Simplify right side
1,728,625.93x = 2,301,842,569,662.33 - Step 5: Solve for x
x = 2,301,842,569,662.33/1,728,625.93 - Step 6: Final answer
x = 1,331,602.48
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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.