Finding the Fourth Proportional to 1,537,528.43, 2,121,431.01 and 892,565.73
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Solution
The fourth proportional to 1,537,528.43, 2,121,431.01 and 892,565.73 is: 1,231,532.75
Step by Step Solution
- Step 1: Write the proportion equation
1,537,528.43 : 2,121,431.01 = 892,565.73 : x - Step 2: Convert to fraction form
1,537,528.43/2,121,431.01 = 892,565.73/x - Step 3: Cross multiply
1,537,528.43x = 2,121,431.01 × 892,565.73 - Step 4: Simplify right side
1,537,528.43x = 1,893,516,614,738.17 - Step 5: Solve for x
x = 1,893,516,614,738.17/1,537,528.43 - Step 6: Final answer
x = 1,231,532.75
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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.