Finding the Fourth Proportional to 1,684,891.80, 2,527,337.70 and 1,606,159.80
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Solution
The fourth proportional to 1,684,891.80, 2,527,337.70 and 1,606,159.80 is: 2,409,239.70
Step by Step Solution
- Step 1: Write the proportion equation
1,684,891.80 : 2,527,337.70 = 1,606,159.80 : x - Step 2: Convert to fraction form
1,684,891.80/2,527,337.70 = 1,606,159.80/x - Step 3: Cross multiply
1,684,891.80x = 2,527,337.70 × 1,606,159.80 - Step 4: Simplify right side
1,684,891.80x = 4,059,308,214,764.46 - Step 5: Solve for x
x = 4,059,308,214,764.46/1,684,891.80 - Step 6: Final answer
x = 2,409,239.70
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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.