Finding the Fourth Proportional to 2,880,908.58, 3,975,546.68 and 1,591,721.22
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Solution
The fourth proportional to 2,880,908.58, 3,975,546.68 and 1,591,721.22 is: 2,196,516.08
Step by Step Solution
- Step 1: Write the proportion equation
2,880,908.58 : 3,975,546.68 = 1,591,721.22 : x - Step 2: Convert to fraction form
2,880,908.58/3,975,546.68 = 1,591,721.22/x - Step 3: Cross multiply
2,880,908.58x = 3,975,546.68 × 1,591,721.22 - Step 4: Simplify right side
2,880,908.58x = 6,327,962,011,656.55 - Step 5: Solve for x
x = 6,327,962,011,656.55/2,880,908.58 - Step 6: Final answer
x = 2,196,516.08
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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.