Finding the Fourth Proportional to 4,122,883.21, 5,690,261.90 and 2,287,930.99
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Solution
The fourth proportional to 4,122,883.21, 5,690,261.90 and 2,287,930.99 is: 3,157,723.82
Step by Step Solution
- Step 1: Write the proportion equation
4,122,883.21 : 5,690,261.90 = 2,287,930.99 : x - Step 2: Convert to fraction form
4,122,883.21/5,690,261.90 = 2,287,930.99/x - Step 3: Cross multiply
4,122,883.21x = 5,690,261.90 × 2,287,930.99 - Step 4: Simplify right side
4,122,883.21x = 13,018,926,502,335.31 - Step 5: Solve for x
x = 13,018,926,502,335.31/4,122,883.21 - Step 6: Final answer
x = 3,157,723.82
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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.