Finding the Fourth Proportional to 2,751,729.57, 3,797,259.14 and 1,528,112.79
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Solution
The fourth proportional to 2,751,729.57, 3,797,259.14 and 1,528,112.79 is: 2,108,724.75
Step by Step Solution
- Step 1: Write the proportion equation
2,751,729.57 : 3,797,259.14 = 1,528,112.79 : x - Step 2: Convert to fraction form
2,751,729.57/3,797,259.14 = 1,528,112.79/x - Step 3: Cross multiply
2,751,729.57x = 3,797,259.14 × 1,528,112.79 - Step 4: Simplify right side
2,751,729.57x = 5,802,640,262,598.68 - Step 5: Solve for x
x = 5,802,640,262,598.68/2,751,729.57 - Step 6: Final answer
x = 2,108,724.75
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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.