Finding the Fourth Proportional to 3,790,909.20, 5,686,662.96 and 1,266,573.36
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Solution
The fourth proportional to 3,790,909.20, 5,686,662.96 and 1,266,573.36 is: 1,899,959.99
Step by Step Solution
- Step 1: Write the proportion equation
3,790,909.20 : 5,686,662.96 = 1,266,573.36 : x - Step 2: Convert to fraction form
3,790,909.20/5,686,662.96 = 1,266,573.36/x - Step 3: Cross multiply
3,790,909.20x = 5,686,662.96 × 1,266,573.36 - Step 4: Simplify right side
3,790,909.20x = 7,202,575,812,434.75 - Step 5: Solve for x
x = 7,202,575,812,434.75/3,790,909.20 - Step 6: Final answer
x = 1,899,959.99
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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.