Finding the Fourth Proportional to 6,245,268.71, 8,620,849.10 and 4,070,340.95
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Solution
The fourth proportional to 6,245,268.71, 8,620,849.10 and 4,070,340.95 is: 5,618,620.55
Step by Step Solution
- Step 1: Write the proportion equation
6,245,268.71 : 8,620,849.10 = 4,070,340.95 : x - Step 2: Convert to fraction form
6,245,268.71/8,620,849.10 = 4,070,340.95/x - Step 3: Cross multiply
6,245,268.71x = 8,620,849.10 × 4,070,340.95 - Step 4: Simplify right side
6,245,268.71x = 35,089,795,082,572.25 - Step 5: Solve for x
x = 35,089,795,082,572.25/6,245,268.71 - Step 6: Final answer
x = 5,618,620.55
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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.