Finding the Fourth Proportional to 3,170,387.94, 4,375,160.10 and 1,863,288.96
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Solution
The fourth proportional to 3,170,387.94, 4,375,160.10 and 1,863,288.96 is: 2,571,353.31
Step by Step Solution
- Step 1: Write the proportion equation
3,170,387.94 : 4,375,160.10 = 1,863,288.96 : x - Step 2: Convert to fraction form
3,170,387.94/4,375,160.10 = 1,863,288.96/x - Step 3: Cross multiply
3,170,387.94x = 4,375,160.10 × 1,863,288.96 - Step 4: Simplify right side
3,170,387.94x = 8,152,187,512,562.50 - Step 5: Solve for x
x = 8,152,187,512,562.50/3,170,387.94 - Step 6: Final answer
x = 2,571,353.31
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.