Finding the Fourth Proportional to 2,290,988.34, 3,161,378.43 and 1,324,180.98
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Solution
The fourth proportional to 2,290,988.34, 3,161,378.43 and 1,324,180.98 is: 1,827,262.55
Step by Step Solution
- Step 1: Write the proportion equation
2,290,988.34 : 3,161,378.43 = 1,324,180.98 : x - Step 2: Convert to fraction form
2,290,988.34/3,161,378.43 = 1,324,180.98/x - Step 3: Cross multiply
2,290,988.34x = 3,161,378.43 × 1,324,180.98 - Step 4: Simplify right side
2,290,988.34x = 4,186,237,187,588.26 - Step 5: Solve for x
x = 4,186,237,187,588.26/2,290,988.34 - Step 6: Final answer
x = 1,827,262.55
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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.