Finding the Fourth Proportional to 1,940,826.18, 2,678,351.09 and 1,125,513.93
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Solution
The fourth proportional to 1,940,826.18, 2,678,351.09 and 1,125,513.93 is: 1,553,215.58
Step by Step Solution
- Step 1: Write the proportion equation
1,940,826.18 : 2,678,351.09 = 1,125,513.93 : x - Step 2: Convert to fraction form
1,940,826.18/2,678,351.09 = 1,125,513.93/x - Step 3: Cross multiply
1,940,826.18x = 2,678,351.09 × 1,125,513.93 - Step 4: Simplify right side
1,940,826.18x = 3,014,521,455,598.11 - Step 5: Solve for x
x = 3,014,521,455,598.11/1,940,826.18 - Step 6: Final answer
x = 1,553,215.58
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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.