Finding the Fourth Proportional to 1,728,883.79, 2,385,639.56 and 964,969.55
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Solution
The fourth proportional to 1,728,883.79, 2,385,639.56 and 964,969.55 is: 1,331,535.15
Step by Step Solution
- Step 1: Write the proportion equation
1,728,883.79 : 2,385,639.56 = 964,969.55 : x - Step 2: Convert to fraction form
1,728,883.79/2,385,639.56 = 964,969.55/x - Step 3: Cross multiply
1,728,883.79x = 2,385,639.56 × 964,969.55 - Step 4: Simplify right side
1,728,883.79x = 2,302,069,523,159.62 - Step 5: Solve for x
x = 2,302,069,523,159.62/1,728,883.79 - Step 6: Final answer
x = 1,331,535.15
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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.