Finding the Fourth Proportional to 3,005,721.64, 4,497,939.69 and 1,869,019.12
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Solution
The fourth proportional to 3,005,721.64, 4,497,939.69 and 1,869,019.12 is: 2,796,910.79
Step by Step Solution
- Step 1: Write the proportion equation
3,005,721.64 : 4,497,939.69 = 1,869,019.12 : x - Step 2: Convert to fraction form
3,005,721.64/4,497,939.69 = 1,869,019.12/x - Step 3: Cross multiply
3,005,721.64x = 4,497,939.69 × 1,869,019.12 - Step 4: Simplify right side
3,005,721.64x = 8,406,735,281,216.87 - Step 5: Solve for x
x = 8,406,735,281,216.87/3,005,721.64 - Step 6: Final answer
x = 2,796,910.79
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.