Finding the Fourth Proportional to 3,721,376.15, 5,581,372.18 and 1,162,653.79
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Solution
The fourth proportional to 3,721,376.15, 5,581,372.18 and 1,162,653.79 is: 1,743,764.47
Step by Step Solution
- Step 1: Write the proportion equation
3,721,376.15 : 5,581,372.18 = 1,162,653.79 : x - Step 2: Convert to fraction form
3,721,376.15/5,581,372.18 = 1,162,653.79/x - Step 3: Cross multiply
3,721,376.15x = 5,581,372.18 × 1,162,653.79 - Step 4: Simplify right side
3,721,376.15x = 6,489,203,518,477.56 - Step 5: Solve for x
x = 6,489,203,518,477.56/3,721,376.15 - Step 6: Final answer
x = 1,743,764.47
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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.