Finding the Fourth Proportional to 6,415,271.84, 9,621,744.88 and 2,576,939.68
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Solution
The fourth proportional to 6,415,271.84, 9,621,744.88 and 2,576,939.68 is: 3,864,942.40
Step by Step Solution
- Step 1: Write the proportion equation
6,415,271.84 : 9,621,744.88 = 2,576,939.68 : x - Step 2: Convert to fraction form
6,415,271.84/9,621,744.88 = 2,576,939.68/x - Step 3: Cross multiply
6,415,271.84x = 9,621,744.88 × 2,576,939.68 - Step 4: Simplify right side
6,415,271.84x = 24,794,656,172,108.84 - Step 5: Solve for x
x = 24,794,656,172,108.84/6,415,271.84 - Step 6: Final answer
x = 3,864,942.40
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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.