Finding the Fourth Proportional to 1,644,898.70, 2,467,348.05 and 981,346.70
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Solution
The fourth proportional to 1,644,898.70, 2,467,348.05 and 981,346.70 is: 1,472,020.05
Step by Step Solution
- Step 1: Write the proportion equation
1,644,898.70 : 2,467,348.05 = 981,346.70 : x - Step 2: Convert to fraction form
1,644,898.70/2,467,348.05 = 981,346.70/x - Step 3: Cross multiply
1,644,898.70x = 2,467,348.05 × 981,346.70 - Step 4: Simplify right side
1,644,898.70x = 2,421,323,866,618.93 - Step 5: Solve for x
x = 2,421,323,866,618.93/1,644,898.70 - Step 6: Final answer
x = 1,472,020.05
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.