Finding the Fourth Proportional to 4,685,143.64, 6,465,452.66 and 2,620,135.74
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Solution
The fourth proportional to 4,685,143.64, 6,465,452.66 and 2,620,135.74 is: 3,615,761.84
Step by Step Solution
- Step 1: Write the proportion equation
4,685,143.64 : 6,465,452.66 = 2,620,135.74 : x - Step 2: Convert to fraction form
4,685,143.64/6,465,452.66 = 2,620,135.74/x - Step 3: Cross multiply
4,685,143.64x = 6,465,452.66 × 2,620,135.74 - Step 4: Simplify right side
4,685,143.64x = 16,940,363,589,744.07 - Step 5: Solve for x
x = 16,940,363,589,744.07/4,685,143.64 - Step 6: Final answer
x = 3,615,761.84
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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.