Finding the Fourth Proportional to 5,277,854.56, 7,283,408.88 and 2,863,354.72
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Solution
The fourth proportional to 5,277,854.56, 7,283,408.88 and 2,863,354.72 is: 3,951,413.01
Step by Step Solution
- Step 1: Write the proportion equation
5,277,854.56 : 7,283,408.88 = 2,863,354.72 : x - Step 2: Convert to fraction form
5,277,854.56/7,283,408.88 = 2,863,354.72/x - Step 3: Cross multiply
5,277,854.56x = 7,283,408.88 × 2,863,354.72 - Step 4: Simplify right side
5,277,854.56x = 20,854,983,194,237.91 - Step 5: Solve for x
x = 20,854,983,194,237.91/5,277,854.56 - Step 6: Final answer
x = 3,951,413.01
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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.