Finding the Fourth Proportional to 7,047,265, 10,570,897.50 and 1,728,481
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Solution
The fourth proportional to 7,047,265, 10,570,897.50 and 1,728,481 is: 2,592,721.50
Step by Step Solution
- Step 1: Write the proportion equation
7,047,265 : 10,570,897.50 = 1,728,481 : x - Step 2: Convert to fraction form
7,047,265/10,570,897.50 = 1,728,481/x - Step 3: Cross multiply
7,047,265x = 10,570,897.50 × 1,728,481 - Step 4: Simplify right side
7,047,265x = 18,271,595,481,697.50 - Step 5: Solve for x
x = 18,271,595,481,697.50/7,047,265 - Step 6: Final answer
x = 2,592,721.50
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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.