Finding the Fourth Proportional to 3,960,866.96, 5,942,064.24 and 1,686,349.68
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Solution
The fourth proportional to 3,960,866.96, 5,942,064.24 and 1,686,349.68 is: 2,529,849.71
Step by Step Solution
- Step 1: Write the proportion equation
3,960,866.96 : 5,942,064.24 = 1,686,349.68 : x - Step 2: Convert to fraction form
3,960,866.96/5,942,064.24 = 1,686,349.68/x - Step 3: Cross multiply
3,960,866.96x = 5,942,064.24 × 1,686,349.68 - Step 4: Simplify right side
3,960,866.96x = 10,020,398,129,663.44 - Step 5: Solve for x
x = 10,020,398,129,663.44/3,960,866.96 - Step 6: Final answer
x = 2,529,849.71
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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.