Finding the Fourth Proportional to 2,190,707.96, 3,283,124.61 and 1,704,976.63
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Solution
The fourth proportional to 2,190,707.96, 3,283,124.61 and 1,704,976.63 is: 2,555,178.89
Step by Step Solution
- Step 1: Write the proportion equation
2,190,707.96 : 3,283,124.61 = 1,704,976.63 : x - Step 2: Convert to fraction form
2,190,707.96/3,283,124.61 = 1,704,976.63/x - Step 3: Cross multiply
2,190,707.96x = 3,283,124.61 × 1,704,976.63 - Step 4: Simplify right side
2,190,707.96x = 5,597,650,731,613.72 - Step 5: Solve for x
x = 5,597,650,731,613.72/2,190,707.96 - Step 6: Final answer
x = 2,555,178.89
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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.