Finding the Fourth Proportional to 3,138,748.63, 4,708,166.68 and 894,886.63
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Solution
The fourth proportional to 3,138,748.63, 4,708,166.68 and 894,886.63 is: 1,342,342.41
Step by Step Solution
- Step 1: Write the proportion equation
3,138,748.63 : 4,708,166.68 = 894,886.63 : x - Step 2: Convert to fraction form
3,138,748.63/4,708,166.68 = 894,886.63/x - Step 3: Cross multiply
3,138,748.63x = 4,708,166.68 × 894,886.63 - Step 4: Simplify right side
3,138,748.63x = 4,213,275,413,743.49 - Step 5: Solve for x
x = 4,213,275,413,743.49/3,138,748.63 - Step 6: Final answer
x = 1,342,342.41
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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.