Finding the Fourth Proportional to 2,751,766.15, 4,128,141.30 and 1,154,490.70
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Solution
The fourth proportional to 2,751,766.15, 4,128,141.30 and 1,154,490.70 is: 1,731,942.50
Step by Step Solution
- Step 1: Write the proportion equation
2,751,766.15 : 4,128,141.30 = 1,154,490.70 : x - Step 2: Convert to fraction form
2,751,766.15/4,128,141.30 = 1,154,490.70/x - Step 3: Cross multiply
2,751,766.15x = 4,128,141.30 × 1,154,490.70 - Step 4: Simplify right side
2,751,766.15x = 4,765,900,739,135.91 - Step 5: Solve for x
x = 4,765,900,739,135.91/2,751,766.15 - Step 6: Final answer
x = 1,731,942.50
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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.