Finding the Fourth Proportional to 2,420,482.82, 3,340,238.73 and 1,332,731.66
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Solution
The fourth proportional to 2,420,482.82, 3,340,238.73 and 1,332,731.66 is: 1,839,154.52
Step by Step Solution
- Step 1: Write the proportion equation
2,420,482.82 : 3,340,238.73 = 1,332,731.66 : x - Step 2: Convert to fraction form
2,420,482.82/3,340,238.73 = 1,332,731.66/x - Step 3: Cross multiply
2,420,482.82x = 3,340,238.73 × 1,332,731.66 - Step 4: Simplify right side
2,420,482.82x = 4,451,641,907,429.19 - Step 5: Solve for x
x = 4,451,641,907,429.19/2,420,482.82 - Step 6: Final answer
x = 1,839,154.52
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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.