Finding the Fourth Proportional to 5,787,315.54, 8,682,918.12 and 4,059,985.68
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Solution
The fourth proportional to 5,787,315.54, 8,682,918.12 and 4,059,985.68 is: 6,091,342.87
Step by Step Solution
- Step 1: Write the proportion equation
5,787,315.54 : 8,682,918.12 = 4,059,985.68 : x - Step 2: Convert to fraction form
5,787,315.54/8,682,918.12 = 4,059,985.68/x - Step 3: Cross multiply
5,787,315.54x = 8,682,918.12 × 4,059,985.68 - Step 4: Simplify right side
5,787,315.54x = 35,252,523,227,812.52 - Step 5: Solve for x
x = 35,252,523,227,812.52/5,787,315.54 - Step 6: Final answer
x = 6,091,342.87
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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.