Finding the Fourth Proportional to 2,033,988.20, 2,806,699.35 and 1,218,170.99
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Solution
The fourth proportional to 2,033,988.20, 2,806,699.35 and 1,218,170.99 is: 1,680,953.57
Step by Step Solution
- Step 1: Write the proportion equation
2,033,988.20 : 2,806,699.35 = 1,218,170.99 : x - Step 2: Convert to fraction form
2,033,988.20/2,806,699.35 = 1,218,170.99/x - Step 3: Cross multiply
2,033,988.20x = 2,806,699.35 × 1,218,170.99 - Step 4: Simplify right side
2,033,988.20x = 3,419,039,725,821.86 - Step 5: Solve for x
x = 3,419,039,725,821.86/2,033,988.20 - Step 6: Final answer
x = 1,680,953.57
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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.