Finding the Fourth Proportional to 4,644,345.36, 6,955,911.62 and 2,217,205.92
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Solution
The fourth proportional to 4,644,345.36, 6,955,911.62 and 2,217,205.92 is: 3,320,745.39
Step by Step Solution
- Step 1: Write the proportion equation
4,644,345.36 : 6,955,911.62 = 2,217,205.92 : x - Step 2: Convert to fraction form
4,644,345.36/6,955,911.62 = 2,217,205.92/x - Step 3: Cross multiply
4,644,345.36x = 6,955,911.62 × 2,217,205.92 - Step 4: Simplify right side
4,644,345.36x = 15,422,688,422,860.79 - Step 5: Solve for x
x = 15,422,688,422,860.79/4,644,345.36 - Step 6: Final answer
x = 3,320,745.39
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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.