Finding the Fourth Proportional to 4,966,983.05, 6,855,002.87 and 2,762,064.23
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Solution
The fourth proportional to 4,966,983.05, 6,855,002.87 and 2,762,064.23 is: 3,811,963.52
Step by Step Solution
- Step 1: Write the proportion equation
4,966,983.05 : 6,855,002.87 = 2,762,064.23 : x - Step 2: Convert to fraction form
4,966,983.05/6,855,002.87 = 2,762,064.23/x - Step 3: Cross multiply
4,966,983.05x = 6,855,002.87 × 2,762,064.23 - Step 4: Simplify right side
4,966,983.05x = 18,933,958,175,689.01 - Step 5: Solve for x
x = 18,933,958,175,689.01/4,966,983.05 - Step 6: Final answer
x = 3,811,963.52
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1.5x scale
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.