Finding the Fourth Proportional to 5,772,665.99, 7,966,349.93 and 3,194,586.65
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Solution
The fourth proportional to 5,772,665.99, 7,966,349.93 and 3,194,586.65 is: 4,408,568.79
Step by Step Solution
- Step 1: Write the proportion equation
5,772,665.99 : 7,966,349.93 = 3,194,586.65 : x - Step 2: Convert to fraction form
5,772,665.99/7,966,349.93 = 3,194,586.65/x - Step 3: Cross multiply
5,772,665.99x = 7,966,349.93 × 3,194,586.65 - Step 4: Simplify right side
5,772,665.99x = 25,449,195,119,633.50 - Step 5: Solve for x
x = 25,449,195,119,633.50/5,772,665.99 - Step 6: Final answer
x = 4,408,568.79
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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.