Finding the Fourth Proportional to 2,177,699.75, 3,266,985.66 and 1,219,517.99
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Solution
The fourth proportional to 2,177,699.75, 3,266,985.66 and 1,219,517.99 is: 1,829,521.16
Step by Step Solution
- Step 1: Write the proportion equation
2,177,699.75 : 3,266,985.66 = 1,219,517.99 : x - Step 2: Convert to fraction form
2,177,699.75/3,266,985.66 = 1,219,517.99/x - Step 3: Cross multiply
2,177,699.75x = 3,266,985.66 × 1,219,517.99 - Step 4: Simplify right side
2,177,699.75x = 3,984,147,774,456.49 - Step 5: Solve for x
x = 3,984,147,774,456.49/2,177,699.75 - Step 6: Final answer
x = 1,829,521.16
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.