Finding the Fourth Proportional to 5,602,855.74, 8,406,908.01 and 2,761,418.94
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Solution
The fourth proportional to 5,602,855.74, 8,406,908.01 and 2,761,418.94 is: 4,143,421.87
Step by Step Solution
- Step 1: Write the proportion equation
5,602,855.74 : 8,406,908.01 = 2,761,418.94 : x - Step 2: Convert to fraction form
5,602,855.74/8,406,908.01 = 2,761,418.94/x - Step 3: Cross multiply
5,602,855.74x = 8,406,908.01 × 2,761,418.94 - Step 4: Simplify right side
5,602,855.74x = 23,214,995,005,651.71 - Step 5: Solve for x
x = 23,214,995,005,651.71/5,602,855.74 - Step 6: Final answer
x = 4,143,421.87
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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.