Finding the Fourth Proportional to 1,522,833.21, 2,102,465.39 and 979,912.53
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Solution
The fourth proportional to 1,522,833.21, 2,102,465.39 and 979,912.53 is: 1,352,894.17
Step by Step Solution
- Step 1: Write the proportion equation
1,522,833.21 : 2,102,465.39 = 979,912.53 : x - Step 2: Convert to fraction form
1,522,833.21/2,102,465.39 = 979,912.53/x - Step 3: Cross multiply
1,522,833.21x = 2,102,465.39 × 979,912.53 - Step 4: Simplify right side
1,522,833.21x = 2,060,232,174,652.77 - Step 5: Solve for x
x = 2,060,232,174,652.77/1,522,833.21 - Step 6: Final answer
x = 1,352,894.17
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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.