Finding the Fourth Proportional to 3,538,779.23, 5,307,294.05 and 1,516,793.85
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Solution
The fourth proportional to 3,538,779.23, 5,307,294.05 and 1,516,793.85 is: 2,274,815.82
Step by Step Solution
- Step 1: Write the proportion equation
3,538,779.23 : 5,307,294.05 = 1,516,793.85 : x - Step 2: Convert to fraction form
3,538,779.23/5,307,294.05 = 1,516,793.85/x - Step 3: Cross multiply
3,538,779.23x = 5,307,294.05 × 1,516,793.85 - Step 4: Simplify right side
3,538,779.23x = 8,050,070,973,285.60 - Step 5: Solve for x
x = 8,050,070,973,285.60/3,538,779.23 - Step 6: Final answer
x = 2,274,815.82
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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.