Finding the Fourth Proportional to 1,615,085.05, 2,413,704.24 and 1,521,750.68
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Solution
The fourth proportional to 1,615,085.05, 2,413,704.24 and 1,521,750.68 is: 2,274,218.36
Step by Step Solution
- Step 1: Write the proportion equation
1,615,085.05 : 2,413,704.24 = 1,521,750.68 : x - Step 2: Convert to fraction form
1,615,085.05/2,413,704.24 = 1,521,750.68/x - Step 3: Cross multiply
1,615,085.05x = 2,413,704.24 × 1,521,750.68 - Step 4: Simplify right side
1,615,085.05x = 3,673,056,068,538.88 - Step 5: Solve for x
x = 3,673,056,068,538.88/1,615,085.05 - Step 6: Final answer
x = 2,274,218.36
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.