Finding the Fourth Proportional to 4,600,992.72, 6,349,395.06 and 2,668,399.08
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Solution
The fourth proportional to 4,600,992.72, 6,349,395.06 and 2,668,399.08 is: 3,682,405.29
Step by Step Solution
- Step 1: Write the proportion equation
4,600,992.72 : 6,349,395.06 = 2,668,399.08 : x - Step 2: Convert to fraction form
4,600,992.72/6,349,395.06 = 2,668,399.08/x - Step 3: Cross multiply
4,600,992.72x = 6,349,395.06 × 2,668,399.08 - Step 4: Simplify right side
4,600,992.72x = 16,942,719,936,660.54 - Step 5: Solve for x
x = 16,942,719,936,660.54/4,600,992.72 - Step 6: Final answer
x = 3,682,405.29
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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.