Finding the Fourth Proportional to 1,347,005.20, 1,859,473.38 and 888,391.84
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Solution
The fourth proportional to 1,347,005.20, 1,859,473.38 and 888,391.84 is: 1,226,380.55
Step by Step Solution
- Step 1: Write the proportion equation
1,347,005.20 : 1,859,473.38 = 888,391.84 : x - Step 2: Convert to fraction form
1,347,005.20/1,859,473.38 = 888,391.84/x - Step 3: Cross multiply
1,347,005.20x = 1,859,473.38 × 888,391.84 - Step 4: Simplify right side
1,347,005.20x = 1,651,940,977,489.22 - Step 5: Solve for x
x = 1,651,940,977,489.22/1,347,005.20 - Step 6: Final answer
x = 1,226,380.55
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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.