Finding the Fourth Proportional to 5,732,775.79, 7,910,993.39 and 3,119,290.63
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Solution
The fourth proportional to 5,732,775.79, 7,910,993.39 and 3,119,290.63 is: 4,304,492.00
Step by Step Solution
- Step 1: Write the proportion equation
5,732,775.79 : 7,910,993.39 = 3,119,290.63 : x - Step 2: Convert to fraction form
5,732,775.79/7,910,993.39 = 3,119,290.63/x - Step 3: Cross multiply
5,732,775.79x = 7,910,993.39 × 3,119,290.63 - Step 4: Simplify right side
5,732,775.79x = 24,676,687,520,045.00 - Step 5: Solve for x
x = 24,676,687,520,045.00/5,732,775.79 - Step 6: Final answer
x = 4,304,492.00
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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.