Finding the Fourth Proportional to 1,822,785.24, 2,515,431.68 and 1,007,041.54
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Solution
The fourth proportional to 1,822,785.24, 2,515,431.68 and 1,007,041.54 is: 1,389,710.72
Step by Step Solution
- Step 1: Write the proportion equation
1,822,785.24 : 2,515,431.68 = 1,007,041.54 : x - Step 2: Convert to fraction form
1,822,785.24/2,515,431.68 = 1,007,041.54/x - Step 3: Cross multiply
1,822,785.24x = 2,515,431.68 × 1,007,041.54 - Step 4: Simplify right side
1,822,785.24x = 2,533,144,192,791.99 - Step 5: Solve for x
x = 2,533,144,192,791.99/1,822,785.24 - Step 6: Final answer
x = 1,389,710.72
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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.