Finding the Fourth Proportional to 1,861,722.93, 2,791,163.64 and 962,590.68
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Solution
The fourth proportional to 1,861,722.93, 2,791,163.64 and 962,590.68 is: 1,443,151.43
Step by Step Solution
- Step 1: Write the proportion equation
1,861,722.93 : 2,791,163.64 = 962,590.68 : x - Step 2: Convert to fraction form
1,861,722.93/2,791,163.64 = 962,590.68/x - Step 3: Cross multiply
1,861,722.93x = 2,791,163.64 × 962,590.68 - Step 4: Simplify right side
1,861,722.93x = 2,686,748,106,218.88 - Step 5: Solve for x
x = 2,686,748,106,218.88/1,861,722.93 - Step 6: Final answer
x = 1,443,151.43
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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.