Finding the Fourth Proportional to 3,120,476.39, 4,306,174.15 and 1,743,830.84
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Solution
The fourth proportional to 3,120,476.39, 4,306,174.15 and 1,743,830.84 is: 2,406,440.03
Step by Step Solution
- Step 1: Write the proportion equation
3,120,476.39 : 4,306,174.15 = 1,743,830.84 : x - Step 2: Convert to fraction form
3,120,476.39/4,306,174.15 = 1,743,830.84/x - Step 3: Cross multiply
3,120,476.39x = 4,306,174.15 × 1,743,830.84 - Step 4: Simplify right side
3,120,476.39x = 7,509,239,285,180.79 - Step 5: Solve for x
x = 7,509,239,285,180.79/3,120,476.39 - Step 6: Final answer
x = 2,406,440.03
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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.