Finding the Fourth Proportional to 6,192,406.63, 9,274,468.05 and 2,956,220.65
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Solution
The fourth proportional to 6,192,406.63, 9,274,468.05 and 2,956,220.65 is: 4,427,579.71
Step by Step Solution
- Step 1: Write the proportion equation
6,192,406.63 : 9,274,468.05 = 2,956,220.65 : x - Step 2: Convert to fraction form
6,192,406.63/9,274,468.05 = 2,956,220.65/x - Step 3: Cross multiply
6,192,406.63x = 9,274,468.05 × 2,956,220.65 - Step 4: Simplify right side
6,192,406.63x = 27,417,373,967,175.23 - Step 5: Solve for x
x = 27,417,373,967,175.23/6,192,406.63 - Step 6: Final answer
x = 4,427,579.71
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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.