Finding the Fourth Proportional to 2,028,845.44, 3,042,128.08 and 1,389,869.68
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Solution
The fourth proportional to 2,028,845.44, 3,042,128.08 and 1,389,869.68 is: 2,084,023.50
Step by Step Solution
- Step 1: Write the proportion equation
2,028,845.44 : 3,042,128.08 = 1,389,869.68 : x - Step 2: Convert to fraction form
2,028,845.44/3,042,128.08 = 1,389,869.68/x - Step 3: Cross multiply
2,028,845.44x = 3,042,128.08 × 1,389,869.68 - Step 4: Simplify right side
2,028,845.44x = 4,228,161,581,068.61 - Step 5: Solve for x
x = 4,228,161,581,068.61/2,028,845.44 - Step 6: Final answer
x = 2,084,023.50
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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.