Finding the Fourth Proportional to 3,476,631.68, 4,797,973.44 and 1,948,739.20
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Solution
The fourth proportional to 3,476,631.68, 4,797,973.44 and 1,948,739.20 is: 2,689,384.38
Step by Step Solution
- Step 1: Write the proportion equation
3,476,631.68 : 4,797,973.44 = 1,948,739.20 : x - Step 2: Convert to fraction form
3,476,631.68/4,797,973.44 = 1,948,739.20/x - Step 3: Cross multiply
3,476,631.68x = 4,797,973.44 × 1,948,739.20 - Step 4: Simplify right side
3,476,631.68x = 9,349,998,923,086.85 - Step 5: Solve for x
x = 9,349,998,923,086.85/3,476,631.68 - Step 6: Final answer
x = 2,689,384.38
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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.