Finding the Fourth Proportional to 3,726,424.12, 5,590,817.72 and 1,330,217.32
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Solution
The fourth proportional to 3,726,424.12, 5,590,817.72 and 1,330,217.32 is: 1,995,747.75
Step by Step Solution
- Step 1: Write the proportion equation
3,726,424.12 : 5,590,817.72 = 1,330,217.32 : x - Step 2: Convert to fraction form
3,726,424.12/5,590,817.72 = 1,330,217.32/x - Step 3: Cross multiply
3,726,424.12x = 5,590,817.72 × 1,330,217.32 - Step 4: Simplify right side
3,726,424.12x = 7,437,002,564,106.91 - Step 5: Solve for x
x = 7,437,002,564,106.91/3,726,424.12 - Step 6: Final answer
x = 1,995,747.75
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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.