Finding the Fourth Proportional to 1,740,819.12, 2,609,128.80 and 898,911.92
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Solution
The fourth proportional to 1,740,819.12, 2,609,128.80 and 898,911.92 is: 1,347,283.56
Step by Step Solution
- Step 1: Write the proportion equation
1,740,819.12 : 2,609,128.80 = 898,911.92 : x - Step 2: Convert to fraction form
1,740,819.12/2,609,128.80 = 898,911.92/x - Step 3: Cross multiply
1,740,819.12x = 2,609,128.80 × 898,911.92 - Step 4: Simplify right side
1,740,819.12x = 2,345,376,979,135.30 - Step 5: Solve for x
x = 2,345,376,979,135.30/1,740,819.12 - Step 6: Final answer
x = 1,347,283.56
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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.