Finding the Fourth Proportional to 2,982,323.30, 4,115,722.67 and 1,693,283.63
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Solution
The fourth proportional to 2,982,323.30, 4,115,722.67 and 1,693,283.63 is: 2,336,797.56
Step by Step Solution
- Step 1: Write the proportion equation
2,982,323.30 : 4,115,722.67 = 1,693,283.63 : x - Step 2: Convert to fraction form
2,982,323.30/4,115,722.67 = 1,693,283.63/x - Step 3: Cross multiply
2,982,323.30x = 4,115,722.67 × 1,693,283.63 - Step 4: Simplify right side
2,982,323.30x = 6,969,085,793,685.86 - Step 5: Solve for x
x = 6,969,085,793,685.86/2,982,323.30 - Step 6: Final answer
x = 2,336,797.56
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.