Finding the Fourth Proportional to 2,877,930.76, 3,971,576.64 and 1,588,771.84
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Solution
The fourth proportional to 2,877,930.76, 3,971,576.64 and 1,588,771.84 is: 2,192,522.91
Step by Step Solution
- Step 1: Write the proportion equation
2,877,930.76 : 3,971,576.64 = 1,588,771.84 : x - Step 2: Convert to fraction form
2,877,930.76/3,971,576.64 = 1,588,771.84/x - Step 3: Cross multiply
2,877,930.76x = 3,971,576.64 × 1,588,771.84 - Step 4: Simplify right side
2,877,930.76x = 6,309,929,126,033.82 - Step 5: Solve for x
x = 6,309,929,126,033.82/2,877,930.76 - Step 6: Final answer
x = 2,192,522.91
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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.