Finding the Fourth Proportional to 3,043,320.18, 4,199,908.50 and 1,685,193.18
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Solution
The fourth proportional to 3,043,320.18, 4,199,908.50 and 1,685,193.18 is: 2,325,636.72
Step by Step Solution
- Step 1: Write the proportion equation
3,043,320.18 : 4,199,908.50 = 1,685,193.18 : x - Step 2: Convert to fraction form
3,043,320.18/4,199,908.50 = 1,685,193.18/x - Step 3: Cross multiply
3,043,320.18x = 4,199,908.50 × 1,685,193.18 - Step 4: Simplify right side
3,043,320.18x = 7,077,657,160,824.03 - Step 5: Solve for x
x = 7,077,657,160,824.03/3,043,320.18 - Step 6: Final answer
x = 2,325,636.72
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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.