Finding the Fourth Proportional to 4,811,127.48, 6,639,076.88 and 2,635,291.80
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Solution
The fourth proportional to 4,811,127.48, 6,639,076.88 and 2,635,291.80 is: 3,636,549.84
Step by Step Solution
- Step 1: Write the proportion equation
4,811,127.48 : 6,639,076.88 = 2,635,291.80 : x - Step 2: Convert to fraction form
4,811,127.48/6,639,076.88 = 2,635,291.80/x - Step 3: Cross multiply
4,811,127.48x = 6,639,076.88 × 2,635,291.80 - Step 4: Simplify right side
4,811,127.48x = 17,495,904,861,433.58 - Step 5: Solve for x
x = 17,495,904,861,433.58/4,811,127.48 - Step 6: Final answer
x = 3,636,549.84
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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.