Finding the Fourth Proportional to 2,811,179.08, 4,217,555.58 and 1,129,463.56
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Solution
The fourth proportional to 2,811,179.08, 4,217,555.58 and 1,129,463.56 is: 1,694,511.52
Step by Step Solution
- Step 1: Write the proportion equation
2,811,179.08 : 4,217,555.58 = 1,129,463.56 : x - Step 2: Convert to fraction form
2,811,179.08/4,217,555.58 = 1,129,463.56/x - Step 3: Cross multiply
2,811,179.08x = 4,217,555.58 × 1,129,463.56 - Step 4: Simplify right side
2,811,179.08x = 4,763,575,339,884.67 - Step 5: Solve for x
x = 4,763,575,339,884.67/2,811,179.08 - Step 6: Final answer
x = 1,694,511.52
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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.