Finding the Fourth Proportional to 1,625,843.84, 2,243,744.96 and 981,253.76
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Solution
The fourth proportional to 1,625,843.84, 2,243,744.96 and 981,253.76 is: 1,354,178.75
Step by Step Solution
- Step 1: Write the proportion equation
1,625,843.84 : 2,243,744.96 = 981,253.76 : x - Step 2: Convert to fraction form
1,625,843.84/2,243,744.96 = 981,253.76/x - Step 3: Cross multiply
1,625,843.84x = 2,243,744.96 × 981,253.76 - Step 4: Simplify right side
1,625,843.84x = 2,201,683,178,481.05 - Step 5: Solve for x
x = 2,201,683,178,481.05/1,625,843.84 - Step 6: Final answer
x = 1,354,178.75
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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.