Finding the Fourth Proportional to 1,940,828.70, 2,678,354.58 and 1,125,516.47
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Solution
The fourth proportional to 1,940,828.70, 2,678,354.58 and 1,125,516.47 is: 1,553,219.09
Step by Step Solution
- Step 1: Write the proportion equation
1,940,828.70 : 2,678,354.58 = 1,125,516.47 : x - Step 2: Convert to fraction form
1,940,828.70/2,678,354.58 = 1,125,516.47/x - Step 3: Cross multiply
1,940,828.70x = 2,678,354.58 × 1,125,516.47 - Step 4: Simplify right side
1,940,828.70x = 3,014,532,178,898.16 - Step 5: Solve for x
x = 3,014,532,178,898.16/1,940,828.70 - Step 6: Final answer
x = 1,553,219.09
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.