Finding the Fourth Proportional to 2,694,948.40, 4,042,422.60 and 1,277,772.40
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Solution
The fourth proportional to 2,694,948.40, 4,042,422.60 and 1,277,772.40 is: 1,916,658.60
Step by Step Solution
- Step 1: Write the proportion equation
2,694,948.40 : 4,042,422.60 = 1,277,772.40 : x - Step 2: Convert to fraction form
2,694,948.40/4,042,422.60 = 1,277,772.40/x - Step 3: Cross multiply
2,694,948.40x = 4,042,422.60 × 1,277,772.40 - Step 4: Simplify right side
2,694,948.40x = 5,165,296,027,416.24 - Step 5: Solve for x
x = 5,165,296,027,416.24/2,694,948.40 - Step 6: Final answer
x = 1,916,658.60
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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.