Finding the Fourth Proportional to 2,391,282.80, 3,293,251.80 and 2,339,028.08
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Solution
The fourth proportional to 2,391,282.80, 3,293,251.80 and 2,339,028.08 is: 3,221,287.10
Step by Step Solution
- Step 1: Write the proportion equation
2,391,282.80 : 3,293,251.80 = 2,339,028.08 : x - Step 2: Convert to fraction form
2,391,282.80/3,293,251.80 = 2,339,028.08/x - Step 3: Cross multiply
2,391,282.80x = 3,293,251.80 × 2,339,028.08 - Step 4: Simplify right side
2,391,282.80x = 7,703,008,434,710.54 - Step 5: Solve for x
x = 7,703,008,434,710.54/2,391,282.80 - Step 6: Final answer
x = 3,221,287.10
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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.