Finding the Fourth Proportional to 4,877,898.40, 6,730,955.10 and 2,701,901.68
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Solution
The fourth proportional to 4,877,898.40, 6,730,955.10 and 2,701,901.68 is: 3,728,322.61
Step by Step Solution
- Step 1: Write the proportion equation
4,877,898.40 : 6,730,955.10 = 2,701,901.68 : x - Step 2: Convert to fraction form
4,877,898.40/6,730,955.10 = 2,701,901.68/x - Step 3: Cross multiply
4,877,898.40x = 6,730,955.10 × 2,701,901.68 - Step 4: Simplify right side
4,877,898.40x = 18,186,378,892,694.57 - Step 5: Solve for x
x = 18,186,378,892,694.57/4,877,898.40 - Step 6: Final answer
x = 3,728,322.61
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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.