Finding the Fourth Proportional to 5,723,578.80, 7,896,816.30 and 3,430,902.96
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Solution
The fourth proportional to 5,723,578.80, 7,896,816.30 and 3,430,902.96 is: 4,733,613.59
Step by Step Solution
- Step 1: Write the proportion equation
5,723,578.80 : 7,896,816.30 = 3,430,902.96 : x - Step 2: Convert to fraction form
5,723,578.80/7,896,816.30 = 3,430,902.96/x - Step 3: Cross multiply
5,723,578.80x = 7,896,816.30 × 3,430,902.96 - Step 4: Simplify right side
5,723,578.80x = 27,093,210,418,246.25 - Step 5: Solve for x
x = 27,093,210,418,246.25/5,723,578.80 - Step 6: Final answer
x = 4,733,613.59
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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.