Finding the Fourth Proportional to 5,232,332.15, 7,216,122.08 and 3,394,979.99
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Solution
The fourth proportional to 5,232,332.15, 7,216,122.08 and 3,394,979.99 is: 4,682,154.99
Step by Step Solution
- Step 1: Write the proportion equation
5,232,332.15 : 7,216,122.08 = 3,394,979.99 : x - Step 2: Convert to fraction form
5,232,332.15/7,216,122.08 = 3,394,979.99/x - Step 3: Cross multiply
5,232,332.15x = 7,216,122.08 × 3,394,979.99 - Step 4: Simplify right side
5,232,332.15x = 24,498,590,039,404.02 - Step 5: Solve for x
x = 24,498,590,039,404.02/5,232,332.15 - Step 6: Final answer
x = 4,682,154.99
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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.