Finding the Fourth Proportional to 3,138,746.63, 4,708,163.68 and 894,884.63
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Solution
The fourth proportional to 3,138,746.63, 4,708,163.68 and 894,884.63 is: 1,342,339.41
Step by Step Solution
- Step 1: Write the proportion equation
3,138,746.63 : 4,708,163.68 = 894,884.63 : x - Step 2: Convert to fraction form
3,138,746.63/4,708,163.68 = 894,884.63/x - Step 3: Cross multiply
3,138,746.63x = 4,708,163.68 × 894,884.63 - Step 4: Simplify right side
3,138,746.63x = 4,213,263,286,978.21 - Step 5: Solve for x
x = 4,213,263,286,978.21/3,138,746.63 - Step 6: Final answer
x = 1,342,339.41
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.