Finding the Fourth Proportional to 5,161,952.80, 7,743,962.76 and 2,890,707.13
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Solution
The fourth proportional to 5,161,952.80, 7,743,962.76 and 2,890,707.13 is: 4,336,639.49
Step by Step Solution
- Step 1: Write the proportion equation
5,161,952.80 : 7,743,962.76 = 2,890,707.13 : x - Step 2: Convert to fraction form
5,161,952.80/7,743,962.76 = 2,890,707.13/x - Step 3: Cross multiply
5,161,952.80x = 7,743,962.76 × 2,890,707.13 - Step 4: Simplify right side
5,161,952.80x = 22,385,528,364,786.48 - Step 5: Solve for x
x = 22,385,528,364,786.48/5,161,952.80 - Step 6: Final answer
x = 4,336,639.49
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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.