Finding the Fourth Proportional to 2,127,268.20, 3,190,930.07 and 707,324.28
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Solution
The fourth proportional to 2,127,268.20, 3,190,930.07 and 707,324.28 is: 1,060,995.65
Step by Step Solution
- Step 1: Write the proportion equation
2,127,268.20 : 3,190,930.07 = 707,324.28 : x - Step 2: Convert to fraction form
2,127,268.20/3,190,930.07 = 707,324.28/x - Step 3: Cross multiply
2,127,268.20x = 3,190,930.07 × 707,324.28 - Step 4: Simplify right side
2,127,268.20x = 2,257,022,314,293.10 - Step 5: Solve for x
x = 2,257,022,314,293.10/2,127,268.20 - Step 6: Final answer
x = 1,060,995.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.