Finding the Fourth Proportional to 4,365,578.64, 6,023,698.80 and 2,431,791.12
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Solution
The fourth proportional to 4,365,578.64, 6,023,698.80 and 2,431,791.12 is: 3,355,426.27
Step by Step Solution
- Step 1: Write the proportion equation
4,365,578.64 : 6,023,698.80 = 2,431,791.12 : x - Step 2: Convert to fraction form
4,365,578.64/6,023,698.80 = 2,431,791.12/x - Step 3: Cross multiply
4,365,578.64x = 6,023,698.80 × 2,431,791.12 - Step 4: Simplify right side
4,365,578.64x = 14,648,377,251,394.66 - Step 5: Solve for x
x = 14,648,377,251,394.66/4,365,578.64 - Step 6: Final answer
x = 3,355,426.27
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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.