Finding the Fourth Proportional to 2,220,720.95, 3,332,313.13 and 1,083,492.49
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Solution
The fourth proportional to 2,220,720.95, 3,332,313.13 and 1,083,492.49 is: 1,625,839.69
Step by Step Solution
- Step 1: Write the proportion equation
2,220,720.95 : 3,332,313.13 = 1,083,492.49 : x - Step 2: Convert to fraction form
2,220,720.95/3,332,313.13 = 1,083,492.49/x - Step 3: Cross multiply
2,220,720.95x = 3,332,313.13 × 1,083,492.49 - Step 4: Simplify right side
2,220,720.95x = 3,610,536,245,265.93 - Step 5: Solve for x
x = 3,610,536,245,265.93/2,220,720.95 - Step 6: Final answer
x = 1,625,839.69
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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.