Finding the Fourth Proportional to 3,806,529.51, 5,253,342.95 and 2,087,982.18
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Solution
The fourth proportional to 3,806,529.51, 5,253,342.95 and 2,087,982.18 is: 2,881,597.64
Step by Step Solution
- Step 1: Write the proportion equation
3,806,529.51 : 5,253,342.95 = 2,087,982.18 : x - Step 2: Convert to fraction form
3,806,529.51/5,253,342.95 = 2,087,982.18/x - Step 3: Cross multiply
3,806,529.51x = 5,253,342.95 × 2,087,982.18 - Step 4: Simplify right side
3,806,529.51x = 10,968,886,465,028.63 - Step 5: Solve for x
x = 10,968,886,465,028.63/3,806,529.51 - Step 6: Final answer
x = 2,881,597.64
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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.