Finding the Fourth Proportional to 1,995,896.83, 2,754,338.63 and 1,078,125.92
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Solution
The fourth proportional to 1,995,896.83, 2,754,338.63 and 1,078,125.92 is: 1,487,814.32
Step by Step Solution
- Step 1: Write the proportion equation
1,995,896.83 : 2,754,338.63 = 1,078,125.92 : x - Step 2: Convert to fraction form
1,995,896.83/2,754,338.63 = 1,078,125.92/x - Step 3: Cross multiply
1,995,896.83x = 2,754,338.63 × 1,078,125.92 - Step 4: Simplify right side
1,995,896.83x = 2,969,523,874,437.77 - Step 5: Solve for x
x = 2,969,523,874,437.77/1,995,896.83 - Step 6: Final answer
x = 1,487,814.32
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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.