Finding the Fourth Proportional to 3,472,343.24, 5,204,315.82 and 1,788,528.20
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Solution
The fourth proportional to 3,472,343.24, 5,204,315.82 and 1,788,528.20 is: 2,680,629.47
Step by Step Solution
- Step 1: Write the proportion equation
3,472,343.24 : 5,204,315.82 = 1,788,528.20 : x - Step 2: Convert to fraction form
3,472,343.24/5,204,315.82 = 1,788,528.20/x - Step 3: Cross multiply
3,472,343.24x = 5,204,315.82 × 1,788,528.20 - Step 4: Simplify right side
3,472,343.24x = 9,308,065,605,776.13 - Step 5: Solve for x
x = 9,308,065,605,776.13/3,472,343.24 - Step 6: Final answer
x = 2,680,629.47
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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.