Finding the Fourth Proportional to 4,287,971.76, 5,917,135.68 and 2,354,221.44
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Solution
The fourth proportional to 4,287,971.76, 5,917,135.68 and 2,354,221.44 is: 3,248,679.90
Step by Step Solution
- Step 1: Write the proportion equation
4,287,971.76 : 5,917,135.68 = 2,354,221.44 : x - Step 2: Convert to fraction form
4,287,971.76/5,917,135.68 = 2,354,221.44/x - Step 3: Cross multiply
4,287,971.76x = 5,917,135.68 × 2,354,221.44 - Step 4: Simplify right side
4,287,971.76x = 13,930,247,681,244.98 - Step 5: Solve for x
x = 13,930,247,681,244.98/4,287,971.76 - Step 6: Final answer
x = 3,248,679.90
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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.