Finding the Fourth Proportional to 2,731,490.20, 4,097,235.30 and 1,311,203.80
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Solution
The fourth proportional to 2,731,490.20, 4,097,235.30 and 1,311,203.80 is: 1,966,805.70
Step by Step Solution
- Step 1: Write the proportion equation
2,731,490.20 : 4,097,235.30 = 1,311,203.80 : x - Step 2: Convert to fraction form
2,731,490.20/4,097,235.30 = 1,311,203.80/x - Step 3: Cross multiply
2,731,490.20x = 4,097,235.30 × 1,311,203.80 - Step 4: Simplify right side
2,731,490.20x = 5,372,310,494,854.14 - Step 5: Solve for x
x = 5,372,310,494,854.14/2,731,490.20 - Step 6: Final answer
x = 1,966,805.70
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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.