Finding the Fourth Proportional to 1,832,315.05, 2,527,544.21 and 1,142,789.81
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Solution
The fourth proportional to 1,832,315.05, 2,527,544.21 and 1,142,789.81 is: 1,576,394.72
Step by Step Solution
- Step 1: Write the proportion equation
1,832,315.05 : 2,527,544.21 = 1,142,789.81 : x - Step 2: Convert to fraction form
1,832,315.05/2,527,544.21 = 1,142,789.81/x - Step 3: Cross multiply
1,832,315.05x = 2,527,544.21 × 1,142,789.81 - Step 4: Simplify right side
1,832,315.05x = 2,888,451,757,731.75 - Step 5: Solve for x
x = 2,888,451,757,731.75/1,832,315.05 - Step 6: Final answer
x = 1,576,394.72
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.