Finding the Fourth Proportional to 3,153,955.75, 4,352,460.62 and 1,703,651.15
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Solution
The fourth proportional to 3,153,955.75, 4,352,460.62 and 1,703,651.15 is: 2,351,039.50
Step by Step Solution
- Step 1: Write the proportion equation
3,153,955.75 : 4,352,460.62 = 1,703,651.15 : x - Step 2: Convert to fraction form
3,153,955.75/4,352,460.62 = 1,703,651.15/x - Step 3: Cross multiply
3,153,955.75x = 4,352,460.62 × 1,703,651.15 - Step 4: Simplify right side
3,153,955.75x = 7,415,074,542,955.61 - Step 5: Solve for x
x = 7,415,074,542,955.61/3,153,955.75 - Step 6: Final answer
x = 2,351,039.50
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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.