Finding the Fourth Proportional to 2,681,113.20, 3,701,717.68 and 2,059,811.60
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Solution
The fourth proportional to 2,681,113.20, 3,701,717.68 and 2,059,811.60 is: 2,843,908.65
Step by Step Solution
- Step 1: Write the proportion equation
2,681,113.20 : 3,701,717.68 = 2,059,811.60 : x - Step 2: Convert to fraction form
2,681,113.20/3,701,717.68 = 2,059,811.60/x - Step 3: Cross multiply
2,681,113.20x = 3,701,717.68 × 2,059,811.60 - Step 4: Simplify right side
2,681,113.20x = 7,624,841,017,189.09 - Step 5: Solve for x
x = 7,624,841,017,189.09/2,681,113.20 - Step 6: Final answer
x = 2,843,908.65
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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.