Finding the Fourth Proportional to 1,549,568.43, 2,138,007.30 and 904,618.02
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Solution
The fourth proportional to 1,549,568.43, 2,138,007.30 and 904,618.02 is: 1,248,141.03
Step by Step Solution
- Step 1: Write the proportion equation
1,549,568.43 : 2,138,007.30 = 904,618.02 : x - Step 2: Convert to fraction form
1,549,568.43/2,138,007.30 = 904,618.02/x - Step 3: Cross multiply
1,549,568.43x = 2,138,007.30 × 904,618.02 - Step 4: Simplify right side
1,549,568.43x = 1,934,079,930,471.55 - Step 5: Solve for x
x = 1,934,079,930,471.55/1,549,568.43 - Step 6: Final answer
x = 1,248,141.03
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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.