Finding the Fourth Proportional to 4,696,871.16, 6,481,683.14 and 2,861,328.88
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Solution
The fourth proportional to 4,696,871.16, 6,481,683.14 and 2,861,328.88 is: 3,948,634.43
Step by Step Solution
- Step 1: Write the proportion equation
4,696,871.16 : 6,481,683.14 = 2,861,328.88 : x - Step 2: Convert to fraction form
4,696,871.16/6,481,683.14 = 2,861,328.88/x - Step 3: Cross multiply
4,696,871.16x = 6,481,683.14 × 2,861,328.88 - Step 4: Simplify right side
4,696,871.16x = 18,546,227,159,491.08 - Step 5: Solve for x
x = 18,546,227,159,491.08/4,696,871.16 - Step 6: Final answer
x = 3,948,634.43
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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.