Finding the Fourth Proportional to 1,836,829.92, 2,534,855.64 and 1,009,938.48
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Solution
The fourth proportional to 1,836,829.92, 2,534,855.64 and 1,009,938.48 is: 1,393,731.79
Step by Step Solution
- Step 1: Write the proportion equation
1,836,829.92 : 2,534,855.64 = 1,009,938.48 : x - Step 2: Convert to fraction form
1,836,829.92/2,534,855.64 = 1,009,938.48/x - Step 3: Cross multiply
1,836,829.92x = 2,534,855.64 × 1,009,938.48 - Step 4: Simplify right side
1,836,829.92x = 2,560,048,252,081.03 - Step 5: Solve for x
x = 2,560,048,252,081.03/1,836,829.92 - Step 6: Final answer
x = 1,393,731.79
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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.