Finding the Fourth Proportional to 5,731,276.88, 7,908,849.84 and 3,152,541.44
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Solution
The fourth proportional to 5,731,276.88, 7,908,849.84 and 3,152,541.44 is: 4,350,335.43
Step by Step Solution
- Step 1: Write the proportion equation
5,731,276.88 : 7,908,849.84 = 3,152,541.44 : x - Step 2: Convert to fraction form
5,731,276.88/7,908,849.84 = 3,152,541.44/x - Step 3: Cross multiply
5,731,276.88x = 7,908,849.84 × 3,152,541.44 - Step 4: Simplify right side
5,731,276.88x = 24,932,976,863,337.37 - Step 5: Solve for x
x = 24,932,976,863,337.37/5,731,276.88 - Step 6: Final answer
x = 4,350,335.43
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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.