Finding the Fourth Proportional to 1,940,885.19, 2,678,432.19 and 1,125,572.27
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Solution
The fourth proportional to 1,940,885.19, 2,678,432.19 and 1,125,572.27 is: 1,553,295.90
Step by Step Solution
- Step 1: Write the proportion equation
1,940,885.19 : 2,678,432.19 = 1,125,572.27 : x - Step 2: Convert to fraction form
1,940,885.19/2,678,432.19 = 1,125,572.27/x - Step 3: Cross multiply
1,940,885.19x = 2,678,432.19 × 1,125,572.27 - Step 4: Simplify right side
1,940,885.19x = 3,014,769,000,139.37 - Step 5: Solve for x
x = 3,014,769,000,139.37/1,940,885.19 - Step 6: Final answer
x = 1,553,295.90
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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.