Finding the Fourth Proportional to 3,445,765.44, 4,755,201.36 and 1,897,207.20
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Solution
The fourth proportional to 3,445,765.44, 4,755,201.36 and 1,897,207.20 is: 2,618,170.74
Step by Step Solution
- Step 1: Write the proportion equation
3,445,765.44 : 4,755,201.36 = 1,897,207.20 : x - Step 2: Convert to fraction form
3,445,765.44/4,755,201.36 = 1,897,207.20/x - Step 3: Cross multiply
3,445,765.44x = 4,755,201.36 × 1,897,207.20 - Step 4: Simplify right side
3,445,765.44x = 9,021,602,257,641.79 - Step 5: Solve for x
x = 9,021,602,257,641.79/3,445,765.44 - Step 6: Final answer
x = 2,618,170.74
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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.