Finding the Fourth Proportional to 2,919,811.97, 4,027,120.57 and 2,512,592.57
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Solution
The fourth proportional to 2,919,811.97, 4,027,120.57 and 2,512,592.57 is: 3,465,467.41
Step by Step Solution
- Step 1: Write the proportion equation
2,919,811.97 : 4,027,120.57 = 2,512,592.57 : x - Step 2: Convert to fraction form
2,919,811.97/4,027,120.57 = 2,512,592.57/x - Step 3: Cross multiply
2,919,811.97x = 4,027,120.57 × 2,512,592.57 - Step 4: Simplify right side
2,919,811.97x = 10,118,513,235,884.71 - Step 5: Solve for x
x = 10,118,513,235,884.71/2,919,811.97 - Step 6: Final answer
x = 3,465,467.41
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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.