Finding the Fourth Proportional to 4,682,582.53, 6,461,989.79 and 2,617,685.12
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Solution
The fourth proportional to 4,682,582.53, 6,461,989.79 and 2,617,685.12 is: 3,612,419.95
Step by Step Solution
- Step 1: Write the proportion equation
4,682,582.53 : 6,461,989.79 = 2,617,685.12 : x - Step 2: Convert to fraction form
4,682,582.53/6,461,989.79 = 2,617,685.12/x - Step 3: Cross multiply
4,682,582.53x = 6,461,989.79 × 2,617,685.12 - Step 4: Simplify right side
4,682,582.53x = 16,915,454,521,941.47 - Step 5: Solve for x
x = 16,915,454,521,941.47/4,682,582.53 - Step 6: Final answer
x = 3,612,419.95
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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.