Finding the Fourth Proportional to 2,945,378.87, 4,064,647.05 and 1,656,207.98
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Solution
The fourth proportional to 2,945,378.87, 4,064,647.05 and 1,656,207.98 is: 2,285,580.62
Step by Step Solution
- Step 1: Write the proportion equation
2,945,378.87 : 4,064,647.05 = 1,656,207.98 : x - Step 2: Convert to fraction form
2,945,378.87/4,064,647.05 = 1,656,207.98/x - Step 3: Cross multiply
2,945,378.87x = 4,064,647.05 × 1,656,207.98 - Step 4: Simplify right side
2,945,378.87x = 6,731,900,859,770.22 - Step 5: Solve for x
x = 6,731,900,859,770.22/2,945,378.87 - Step 6: Final answer
x = 2,285,580.62
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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.