Finding the Fourth Proportional to 3,855,797.79, 5,749,224.79 and 3,749,862.49
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Solution
The fourth proportional to 3,855,797.79, 5,749,224.79 and 3,749,862.49 is: 5,591,268.93
Step by Step Solution
- Step 1: Write the proportion equation
3,855,797.79 : 5,749,224.79 = 3,749,862.49 : x - Step 2: Convert to fraction form
3,855,797.79/5,749,224.79 = 3,749,862.49/x - Step 3: Cross multiply
3,855,797.79x = 5,749,224.79 × 3,749,862.49 - Step 4: Simplify right side
3,855,797.79x = 21,558,802,386,599.13 - Step 5: Solve for x
x = 21,558,802,386,599.13/3,855,797.79 - Step 6: Final answer
x = 5,591,268.93
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.