Finding the Fourth Proportional to 6,320,568.62, 8,722,360.58 and 3,419,965.10
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Solution
The fourth proportional to 6,320,568.62, 8,722,360.58 and 3,419,965.10 is: 4,719,538.79
Step by Step Solution
- Step 1: Write the proportion equation
6,320,568.62 : 8,722,360.58 = 3,419,965.10 : x - Step 2: Convert to fraction form
6,320,568.62/8,722,360.58 = 3,419,965.10/x - Step 3: Cross multiply
6,320,568.62x = 8,722,360.58 × 3,419,965.10 - Step 4: Simplify right side
6,320,568.62x = 29,830,168,773,215.76 - Step 5: Solve for x
x = 29,830,168,773,215.76/6,320,568.62 - Step 6: Final answer
x = 4,719,538.79
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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.