Finding the Fourth Proportional to 4,620,258.20, 6,375,632.64 and 2,686,381.58
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Solution
The fourth proportional to 4,620,258.20, 6,375,632.64 and 2,686,381.58 is: 3,707,018.38
Step by Step Solution
- Step 1: Write the proportion equation
4,620,258.20 : 6,375,632.64 = 2,686,381.58 : x - Step 2: Convert to fraction form
4,620,258.20/6,375,632.64 = 2,686,381.58/x - Step 3: Cross multiply
4,620,258.20x = 6,375,632.64 × 2,686,381.58 - Step 4: Simplify right side
4,620,258.20x = 17,127,382,084,942.77 - Step 5: Solve for x
x = 17,127,382,084,942.77/4,620,258.20 - Step 6: Final answer
x = 3,707,018.38
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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.