Finding the Fourth Proportional to 1,728,701.92, 2,385,728.40 and 964,904.80
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Solution
The fourth proportional to 1,728,701.92, 2,385,728.40 and 964,904.80 is: 1,331,635.46
Step by Step Solution
- Step 1: Write the proportion equation
1,728,701.92 : 2,385,728.40 = 964,904.80 : x - Step 2: Convert to fraction form
1,728,701.92/2,385,728.40 = 964,904.80/x - Step 3: Cross multiply
1,728,701.92x = 2,385,728.40 × 964,904.80 - Step 4: Simplify right side
1,728,701.92x = 2,302,000,784,656.32 - Step 5: Solve for x
x = 2,302,000,784,656.32/1,728,701.92 - Step 6: Final answer
x = 1,331,635.46
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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.