Finding the Fourth Proportional to 5,206,029.15, 7,184,230.20 and 2,882,875.65
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Solution
The fourth proportional to 5,206,029.15, 7,184,230.20 and 2,882,875.65 is: 3,978,318.54
Step by Step Solution
- Step 1: Write the proportion equation
5,206,029.15 : 7,184,230.20 = 2,882,875.65 : x - Step 2: Convert to fraction form
5,206,029.15/7,184,230.20 = 2,882,875.65/x - Step 3: Cross multiply
5,206,029.15x = 7,184,230.20 × 2,882,875.65 - Step 4: Simplify right side
5,206,029.15x = 20,711,242,307,574.63 - Step 5: Solve for x
x = 20,711,242,307,574.63/5,206,029.15 - Step 6: Final answer
x = 3,978,318.54
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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.