Finding the Fourth Proportional to 5,614,823.21, 7,748,479.39 and 3,036,503.99
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Solution
The fourth proportional to 5,614,823.21, 7,748,479.39 and 3,036,503.99 is: 4,190,388.13
Step by Step Solution
- Step 1: Write the proportion equation
5,614,823.21 : 7,748,479.39 = 3,036,503.99 : x - Step 2: Convert to fraction form
5,614,823.21/7,748,479.39 = 3,036,503.99/x - Step 3: Cross multiply
5,614,823.21x = 7,748,479.39 × 3,036,503.99 - Step 4: Simplify right side
5,614,823.21x = 23,528,288,530,242.85 - Step 5: Solve for x
x = 23,528,288,530,242.85/5,614,823.21 - Step 6: Final answer
x = 4,190,388.13
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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.