Finding the Fourth Proportional to 3,596,729.80, 4,963,429.18 and 1,965,102.12
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Solution
The fourth proportional to 3,596,729.80, 4,963,429.18 and 1,965,102.12 is: 2,711,809.27
Step by Step Solution
- Step 1: Write the proportion equation
3,596,729.80 : 4,963,429.18 = 1,965,102.12 : x - Step 2: Convert to fraction form
3,596,729.80/4,963,429.18 = 1,965,102.12/x - Step 3: Cross multiply
3,596,729.80x = 4,963,429.18 × 1,965,102.12 - Step 4: Simplify right side
3,596,729.80x = 9,753,645,204,087.86 - Step 5: Solve for x
x = 9,753,645,204,087.86/3,596,729.80 - Step 6: Final answer
x = 2,711,809.27
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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.