Finding the Fourth Proportional to 6,260,711.94, 8,639,763.21 and 3,470,013.14
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Solution
The fourth proportional to 6,260,711.94, 8,639,763.21 and 3,470,013.14 is: 4,788,607.45
Step by Step Solution
- Step 1: Write the proportion equation
6,260,711.94 : 8,639,763.21 = 3,470,013.14 : x - Step 2: Convert to fraction form
6,260,711.94/8,639,763.21 = 3,470,013.14/x - Step 3: Cross multiply
6,260,711.94x = 8,639,763.21 × 3,470,013.14 - Step 4: Simplify right side
6,260,711.94x = 29,980,091,821,989.77 - Step 5: Solve for x
x = 29,980,091,821,989.77/6,260,711.94 - Step 6: Final answer
x = 4,788,607.45
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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.