Finding the Fourth Proportional to 1,672,841.92, 2,308,531.44 and 908,901.76
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Solution
The fourth proportional to 1,672,841.92, 2,308,531.44 and 908,901.76 is: 1,254,289.64
Step by Step Solution
- Step 1: Write the proportion equation
1,672,841.92 : 2,308,531.44 = 908,901.76 : x - Step 2: Convert to fraction form
1,672,841.92/2,308,531.44 = 908,901.76/x - Step 3: Cross multiply
1,672,841.92x = 2,308,531.44 × 908,901.76 - Step 4: Simplify right side
1,672,841.92x = 2,098,228,288,831.33 - Step 5: Solve for x
x = 2,098,228,288,831.33/1,672,841.92 - Step 6: Final answer
x = 1,254,289.64
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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.