Finding the Fourth Proportional to 2,747,618.64, 3,787,334.09 and 2,165,893.74
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Solution
The fourth proportional to 2,747,618.64, 3,787,334.09 and 2,165,893.74 is: 2,985,480.98
Step by Step Solution
- Step 1: Write the proportion equation
2,747,618.64 : 3,787,334.09 = 2,165,893.74 : x - Step 2: Convert to fraction form
2,747,618.64/3,787,334.09 = 2,165,893.74/x - Step 3: Cross multiply
2,747,618.64x = 3,787,334.09 × 2,165,893.74 - Step 4: Simplify right side
2,747,618.64x = 8,202,963,196,819.60 - Step 5: Solve for x
x = 8,202,963,196,819.60/2,747,618.64 - Step 6: Final answer
x = 2,985,480.98
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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.