Finding the Fourth Proportional to 5,192,342.40, 7,756,134.34 and 3,847,132.37
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Solution
The fourth proportional to 5,192,342.40, 7,756,134.34 and 3,847,132.37 is: 5,746,707.98
Step by Step Solution
- Step 1: Write the proportion equation
5,192,342.40 : 7,756,134.34 = 3,847,132.37 : x - Step 2: Convert to fraction form
5,192,342.40/7,756,134.34 = 3,847,132.37/x - Step 3: Cross multiply
5,192,342.40x = 7,756,134.34 × 3,847,132.37 - Step 4: Simplify right side
5,192,342.40x = 29,838,875,456,319.75 - Step 5: Solve for x
x = 29,838,875,456,319.75/5,192,342.40 - Step 6: Final answer
x = 5,746,707.98
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.