Finding the Fourth Proportional to 1,619,494.94, 2,430,716.62 and 861,972.42
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Solution
The fourth proportional to 1,619,494.94, 2,430,716.62 and 861,972.42 is: 1,293,743.27
Step by Step Solution
- Step 1: Write the proportion equation
1,619,494.94 : 2,430,716.62 = 861,972.42 : x - Step 2: Convert to fraction form
1,619,494.94/2,430,716.62 = 861,972.42/x - Step 3: Cross multiply
1,619,494.94x = 2,430,716.62 × 861,972.42 - Step 4: Simplify right side
1,619,494.94x = 2,095,210,687,275.62 - Step 5: Solve for x
x = 2,095,210,687,275.62/1,619,494.94 - Step 6: Final answer
x = 1,293,743.27
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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.