Finding the Fourth Proportional to 1,728,698.64, 2,385,736.02 and 954,478.74
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Solution
The fourth proportional to 1,728,698.64, 2,385,736.02 and 954,478.74 is: 1,317,253.49
Step by Step Solution
- Step 1: Write the proportion equation
1,728,698.64 : 2,385,736.02 = 954,478.74 : x - Step 2: Convert to fraction form
1,728,698.64/2,385,736.02 = 954,478.74/x - Step 3: Cross multiply
1,728,698.64x = 2,385,736.02 × 954,478.74 - Step 4: Simplify right side
1,728,698.64x = 2,277,134,310,342.22 - Step 5: Solve for x
x = 2,277,134,310,342.22/1,728,698.64 - Step 6: Final answer
x = 1,317,253.49
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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.