Finding the Fourth Proportional to 5,059,953.64, 6,982,711.14 and 2,768,072.68
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Solution
The fourth proportional to 5,059,953.64, 6,982,711.14 and 2,768,072.68 is: 3,819,926.69
Step by Step Solution
- Step 1: Write the proportion equation
5,059,953.64 : 6,982,711.14 = 2,768,072.68 : x - Step 2: Convert to fraction form
5,059,953.64/6,982,711.14 = 2,768,072.68/x - Step 3: Cross multiply
5,059,953.64x = 6,982,711.14 × 2,768,072.68 - Step 4: Simplify right side
5,059,953.64x = 19,328,651,938,965.66 - Step 5: Solve for x
x = 19,328,651,938,965.66/5,059,953.64 - Step 6: Final answer
x = 3,819,926.69
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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.