Finding the Fourth Proportional to 2,631,618.88, 3,631,644.96 and 1,424,394.88
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Solution
The fourth proportional to 2,631,618.88, 3,631,644.96 and 1,424,394.88 is: 1,965,670.84
Step by Step Solution
- Step 1: Write the proportion equation
2,631,618.88 : 3,631,644.96 = 1,424,394.88 : x - Step 2: Convert to fraction form
2,631,618.88/3,631,644.96 = 1,424,394.88/x - Step 3: Cross multiply
2,631,618.88x = 3,631,644.96 × 1,424,394.88 - Step 4: Simplify right side
2,631,618.88x = 5,172,896,487,001.81 - Step 5: Solve for x
x = 5,172,896,487,001.81/2,631,618.88 - Step 6: Final answer
x = 1,965,670.84
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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.