Finding the Fourth Proportional to 1,517,879.70, 2,276,128.35 and 675,998.10
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Solution
The fourth proportional to 1,517,879.70, 2,276,128.35 and 675,998.10 is: 1,013,689.32
Step by Step Solution
- Step 1: Write the proportion equation
1,517,879.70 : 2,276,128.35 = 675,998.10 : x - Step 2: Convert to fraction form
1,517,879.70/2,276,128.35 = 675,998.10/x - Step 3: Cross multiply
1,517,879.70x = 2,276,128.35 × 675,998.10 - Step 4: Simplify right side
1,517,879.70x = 1,538,658,439,956.14 - Step 5: Solve for x
x = 1,538,658,439,956.14/1,517,879.70 - Step 6: Final answer
x = 1,013,689.32
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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.