Finding the Fourth Proportional to 5,271,706.73, 7,907,907.07 and 1,381,259.14
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Solution
The fourth proportional to 5,271,706.73, 7,907,907.07 and 1,381,259.14 is: 2,071,979.63
Step by Step Solution
- Step 1: Write the proportion equation
5,271,706.73 : 7,907,907.07 = 1,381,259.14 : x - Step 2: Convert to fraction form
5,271,706.73/7,907,907.07 = 1,381,259.14/x - Step 3: Cross multiply
5,271,706.73x = 7,907,907.07 × 1,381,259.14 - Step 4: Simplify right side
5,271,706.73x = 10,922,868,944,499.09 - Step 5: Solve for x
x = 10,922,868,944,499.09/5,271,706.73 - Step 6: Final answer
x = 2,071,979.63
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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.