Finding the Fourth Proportional to 3,119,830.80, 4,672,747.80 and 2,559,958.80
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Solution
The fourth proportional to 3,119,830.80, 4,672,747.80 and 2,559,958.80 is: 3,834,195.70
Step by Step Solution
- Step 1: Write the proportion equation
3,119,830.80 : 4,672,747.80 = 2,559,958.80 : x - Step 2: Convert to fraction form
3,119,830.80/4,672,747.80 = 2,559,958.80/x - Step 3: Cross multiply
3,119,830.80x = 4,672,747.80 × 2,559,958.80 - Step 4: Simplify right side
3,119,830.80x = 11,962,041,850,790.64 - Step 5: Solve for x
x = 11,962,041,850,790.64/3,119,830.80 - Step 6: Final answer
x = 3,834,195.70
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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.