Finding the Fourth Proportional to 4,650,773.13, 6,418,141.54 and 2,557,698.30
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Solution
The fourth proportional to 4,650,773.13, 6,418,141.54 and 2,557,698.30 is: 3,529,664.69
Step by Step Solution
- Step 1: Write the proportion equation
4,650,773.13 : 6,418,141.54 = 2,557,698.30 : x - Step 2: Convert to fraction form
4,650,773.13/6,418,141.54 = 2,557,698.30/x - Step 3: Cross multiply
4,650,773.13x = 6,418,141.54 × 2,557,698.30 - Step 4: Simplify right side
4,650,773.13x = 16,415,669,699,623.13 - Step 5: Solve for x
x = 16,415,669,699,623.13/4,650,773.13 - Step 6: Final answer
x = 3,529,664.69
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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.