Finding the Fourth Proportional to 1,541,544.75, 2,311,266.14 and 781,921.46
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Solution
The fourth proportional to 1,541,544.75, 2,311,266.14 and 781,921.46 is: 1,172,349.09
Step by Step Solution
- Step 1: Write the proportion equation
1,541,544.75 : 2,311,266.14 = 781,921.46 : x - Step 2: Convert to fraction form
1,541,544.75/2,311,266.14 = 781,921.46/x - Step 3: Cross multiply
1,541,544.75x = 2,311,266.14 × 781,921.46 - Step 4: Simplify right side
1,541,544.75x = 1,807,228,581,126.23 - Step 5: Solve for x
x = 1,807,228,581,126.23/1,541,544.75 - Step 6: Final answer
x = 1,172,349.09
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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.