Finding the Fourth Proportional to 4,991,101.20, 7,489,243.80 and 2,331,709.20
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Solution
The fourth proportional to 4,991,101.20, 7,489,243.80 and 2,331,709.20 is: 3,498,774.71
Step by Step Solution
- Step 1: Write the proportion equation
4,991,101.20 : 7,489,243.80 = 2,331,709.20 : x - Step 2: Convert to fraction form
4,991,101.20/7,489,243.80 = 2,331,709.20/x - Step 3: Cross multiply
4,991,101.20x = 7,489,243.80 × 2,331,709.20 - Step 4: Simplify right side
4,991,101.20x = 17,462,738,669,502.96 - Step 5: Solve for x
x = 17,462,738,669,502.96/4,991,101.20 - Step 6: Final answer
x = 3,498,774.71
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.