Finding the Fourth Proportional to 2,518,771.68, 3,777,045.12 and 721,246.68
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Solution
The fourth proportional to 2,518,771.68, 3,777,045.12 and 721,246.68 is: 1,081,551.49
Step by Step Solution
- Step 1: Write the proportion equation
2,518,771.68 : 3,777,045.12 = 721,246.68 : x - Step 2: Convert to fraction form
2,518,771.68/3,777,045.12 = 721,246.68/x - Step 3: Cross multiply
2,518,771.68x = 3,777,045.12 × 721,246.68 - Step 4: Simplify right side
2,518,771.68x = 2,724,181,253,010.20 - Step 5: Solve for x
x = 2,724,181,253,010.20/2,518,771.68 - Step 6: Final answer
x = 1,081,551.49
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1.5x scale
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.