Finding the Fourth Proportional to 4,696,528.44, 7,044,857.46 and 1,330,732.20
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Solution
The fourth proportional to 4,696,528.44, 7,044,857.46 and 1,330,732.20 is: 1,996,116.66
Step by Step Solution
- Step 1: Write the proportion equation
4,696,528.44 : 7,044,857.46 = 1,330,732.20 : x - Step 2: Convert to fraction form
4,696,528.44/7,044,857.46 = 1,330,732.20/x - Step 3: Cross multiply
4,696,528.44x = 7,044,857.46 × 1,330,732.20 - Step 4: Simplify right side
4,696,528.44x = 9,374,818,666,432.21 - Step 5: Solve for x
x = 9,374,818,666,432.21/4,696,528.44 - Step 6: Final answer
x = 1,996,116.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.